rake update[v4.0.0-alpha.6]

13 files changed, 595 insertions, 385 deletions

diff --git a/assets/javascripts/bootstrap.js b/assets/javascripts/bootstrap.js
index 063bb7a..2568773 100644
--- a/assets/javascripts/bootstrap.js
+++ b/assets/javascripts/bootstrap.js
@@ -1,11 +1,11 @@
 /*!
- * Bootstrap v4.0.0-alpha.5 (https://getbootstrap.com)
- * Copyright 2011-2016 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+ * Bootstrap v4.0.0-alpha.6 (https://getbootstrap.com)
+ * Copyright 2011-2017 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */
 
 if (typeof jQuery === 'undefined') {
-  throw new Error('Bootstrap\'s JavaScript requires jQuery')
+  throw new Error('Bootstrap\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\'s JavaScript.')
 }
 
 +function ($) {
@@ -30,7 +30,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): util.js
+ * Bootstrap (v4.0.0-alpha.6): util.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -85,7 +85,9 @@ var Util = function ($) {
 
     for (var name in TransitionEndEvent) {
       if (el.style[name] !== undefined) {
-        return { end: TransitionEndEvent[name] };
+        return {
+          end: TransitionEndEvent[name]
+        };
       }
     }
 
@@ -132,9 +134,8 @@ var Util = function ($) {
 
     getUID: function getUID(prefix) {
       do {
-        /* eslint-disable no-bitwise */
+        // eslint-disable-next-line no-bitwise
         prefix += ~~(Math.random() * MAX_UID); // "~~" acts like a faster Math.floor() here
-        /* eslint-enable no-bitwise */
       } while (document.getElementById(prefix));
       return prefix;
     },
@@ -149,7 +150,7 @@ var Util = function ($) {
       return selector;
     },
     reflow: function reflow(element) {
-      new Function('bs', 'return bs')(element.offsetHeight);
+      return element.offsetHeight;
     },
     triggerTransitionEnd: function triggerTransitionEnd(element) {
       $(element).trigger(transition.end);
@@ -162,13 +163,7 @@ var Util = function ($) {
         if (configTypes.hasOwnProperty(property)) {
           var expectedTypes = configTypes[property];
           var value = config[property];
-          var valueType = void 0;
-
-          if (value && isElement(value)) {
-            valueType = 'element';
-          } else {
-            valueType = toType(value);
-          }
+          var valueType = value && isElement(value) ? 'element' : toType(value);
 
           if (!new RegExp(expectedTypes).test(valueType)) {
             throw new Error(componentName.toUpperCase() + ': ' + ('Option "' + property + '" provided type "' + valueType + '" ') + ('but expected type "' + expectedTypes + '".'));
@@ -185,7 +180,7 @@ var Util = function ($) {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): alert.js
+ * Bootstrap (v4.0.0-alpha.6): alert.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -199,7 +194,7 @@ var Alert = function ($) {
    */
 
   var NAME = 'alert';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.alert';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -219,7 +214,7 @@ var Alert = function ($) {
   var ClassName = {
     ALERT: 'alert',
     FADE: 'fade',
-    IN: 'in'
+    SHOW: 'show'
   };
 
   /**
@@ -282,14 +277,18 @@ var Alert = function ($) {
     };
 
     Alert.prototype._removeElement = function _removeElement(element) {
-      $(element).removeClass(ClassName.IN);
+      var _this2 = this;
+
+      $(element).removeClass(ClassName.SHOW);
 
       if (!Util.supportsTransitionEnd() || !$(element).hasClass(ClassName.FADE)) {
         this._destroyElement(element);
         return;
       }
 
-      $(element).one(Util.TRANSITION_END, $.proxy(this._destroyElement, this, element)).emulateTransitionEnd(TRANSITION_DURATION);
+      $(element).one(Util.TRANSITION_END, function (event) {
+        return _this2._destroyElement(element, event);
+      }).emulateTransitionEnd(TRANSITION_DURATION);
     };
 
     Alert.prototype._destroyElement = function _destroyElement(element) {
@@ -360,7 +359,7 @@ var Alert = function ($) {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): button.js
+ * Bootstrap (v4.0.0-alpha.6): button.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -374,7 +373,7 @@ var Button = function ($) {
    */
 
   var NAME = 'button';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.button';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -438,15 +437,15 @@ var Button = function ($) {
 
           if (triggerChangeEvent) {
             input.checked = !$(this._element).hasClass(ClassName.ACTIVE);
-            $(this._element).trigger('change');
+            $(input).trigger('change');
           }
 
           input.focus();
         }
-      } else {
-        this._element.setAttribute('aria-pressed', !$(this._element).hasClass(ClassName.ACTIVE));
       }
 
+      this._element.setAttribute('aria-pressed', !$(this._element).hasClass(ClassName.ACTIVE));
+
       if (triggerChangeEvent) {
         $(this._element).toggleClass(ClassName.ACTIVE);
       }
@@ -523,7 +522,7 @@ var Button = function ($) {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): carousel.js
+ * Bootstrap (v4.0.0-alpha.6): carousel.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -537,7 +536,7 @@ var Carousel = function ($) {
    */
 
   var NAME = 'carousel';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.carousel';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -564,7 +563,9 @@ var Carousel = function ($) {
 
   var Direction = {
     NEXT: 'next',
-    PREVIOUS: 'prev'
+    PREV: 'prev',
+    LEFT: 'left',
+    RIGHT: 'right'
   };
 
   var Event = {
@@ -581,8 +582,10 @@ var Carousel = function ($) {
     CAROUSEL: 'carousel',
     ACTIVE: 'active',
     SLIDE: 'slide',
-    RIGHT: 'right',
-    LEFT: 'left',
+    RIGHT: 'carousel-item-right',
+    LEFT: 'carousel-item-left',
+    NEXT: 'carousel-item-next',
+    PREV: 'carousel-item-prev',
     ITEM: 'carousel-item'
   };
 
@@ -590,7 +593,7 @@ var Carousel = function ($) {
     ACTIVE: '.active',
     ACTIVE_ITEM: '.active.carousel-item',
     ITEM: '.carousel-item',
-    NEXT_PREV: '.next, .prev',
+    NEXT_PREV: '.carousel-item-next, .carousel-item-prev',
     INDICATORS: '.carousel-indicators',
     DATA_SLIDE: '[data-slide], [data-slide-to]',
     DATA_RIDE: '[data-ride="carousel"]'
@@ -625,9 +628,10 @@ var Carousel = function ($) {
     // public
 
     Carousel.prototype.next = function next() {
-      if (!this._isSliding) {
-        this._slide(Direction.NEXT);
+      if (this._isSliding) {
+        throw new Error('Carousel is sliding');
       }
+      this._slide(Direction.NEXT);
     };
 
     Carousel.prototype.nextWhenVisible = function nextWhenVisible() {
@@ -638,9 +642,10 @@ var Carousel = function ($) {
     };
 
     Carousel.prototype.prev = function prev() {
-      if (!this._isSliding) {
-        this._slide(Direction.PREVIOUS);
+      if (this._isSliding) {
+        throw new Error('Carousel is sliding');
       }
+      this._slide(Direction.PREVIOUS);
     };
 
     Carousel.prototype.pause = function pause(event) {
@@ -668,12 +673,12 @@ var Carousel = function ($) {
       }
 
       if (this._config.interval && !this._isPaused) {
-        this._interval = setInterval($.proxy(document.visibilityState ? this.nextWhenVisible : this.next, this), this._config.interval);
+        this._interval = setInterval((document.visibilityState ? this.nextWhenVisible : this.next).bind(this), this._config.interval);
       }
     };
 
     Carousel.prototype.to = function to(index) {
-      var _this2 = this;
+      var _this3 = this;
 
       this._activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0];
 
@@ -685,7 +690,7 @@ var Carousel = function ($) {
 
       if (this._isSliding) {
         $(this._element).one(Event.SLID, function () {
-          return _this2.to(index);
+          return _this3.to(index);
         });
         return;
       }
@@ -724,27 +729,35 @@ var Carousel = function ($) {
     };
 
     Carousel.prototype._addEventListeners = function _addEventListeners() {
+      var _this4 = this;
+
       if (this._config.keyboard) {
-        $(this._element).on(Event.KEYDOWN, $.proxy(this._keydown, this));
+        $(this._element).on(Event.KEYDOWN, function (event) {
+          return _this4._keydown(event);
+        });
       }
 
       if (this._config.pause === 'hover' && !('ontouchstart' in document.documentElement)) {
-        $(this._element).on(Event.MOUSEENTER, $.proxy(this.pause, this)).on(Event.MOUSELEAVE, $.proxy(this.cycle, this));
+        $(this._element).on(Event.MOUSEENTER, function (event) {
+          return _this4.pause(event);
+        }).on(Event.MOUSELEAVE, function (event) {
+          return _this4.cycle(event);
+        });
       }
     };
 
     Carousel.prototype._keydown = function _keydown(event) {
-      event.preventDefault();
-
       if (/input|textarea/i.test(event.target.tagName)) {
         return;
       }
 
       switch (event.which) {
         case ARROW_LEFT_KEYCODE:
+          event.preventDefault();
           this.prev();
           break;
         case ARROW_RIGHT_KEYCODE:
+          event.preventDefault();
           this.next();
           break;
         default:
@@ -774,10 +787,10 @@ var Carousel = function ($) {
       return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex];
     };
 
-    Carousel.prototype._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, directionalClassname) {
+    Carousel.prototype._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName) {
       var slideEvent = $.Event(Event.SLIDE, {
         relatedTarget: relatedTarget,
-        direction: directionalClassname
+        direction: eventDirectionName
       });
 
       $(this._element).trigger(slideEvent);
@@ -798,21 +811,33 @@ var Carousel = function ($) {
     };
 
     Carousel.prototype._slide = function _slide(direction, element) {
-      var _this3 = this;
+      var _this5 = this;
 
       var activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0];
       var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement);
 
       var isCycling = Boolean(this._interval);
 
-      var directionalClassName = direction === Direction.NEXT ? ClassName.LEFT : ClassName.RIGHT;
+      var directionalClassName = void 0;
+      var orderClassName = void 0;
+      var eventDirectionName = void 0;
+
+      if (direction === Direction.NEXT) {
+        directionalClassName = ClassName.LEFT;
+        orderClassName = ClassName.NEXT;
+        eventDirectionName = Direction.LEFT;
+      } else {
+        directionalClassName = ClassName.RIGHT;
+        orderClassName = ClassName.PREV;
+        eventDirectionName = Direction.RIGHT;
+      }
 
       if (nextElement && $(nextElement).hasClass(ClassName.ACTIVE)) {
         this._isSliding = false;
         return;
       }
 
-      var slideEvent = this._triggerSlideEvent(nextElement, directionalClassName);
+      var slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName);
       if (slideEvent.isDefaultPrevented()) {
         return;
       }
@@ -832,12 +857,12 @@ var Carousel = function ($) {
 
       var slidEvent = $.Event(Event.SLID, {
         relatedTarget: nextElement,
-        direction: directionalClassName
+        direction: eventDirectionName
       });
 
       if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.SLIDE)) {
 
-        $(nextElement).addClass(direction);
+        $(nextElement).addClass(orderClassName);
 
         Util.reflow(nextElement);
 
@@ -845,16 +870,14 @@ var Carousel = function ($) {
         $(nextElement).addClass(directionalClassName);
 
         $(activeElement).one(Util.TRANSITION_END, function () {
-          $(nextElement).removeClass(directionalClassName).removeClass(direction);
+          $(nextElement).removeClass(directionalClassName + ' ' + orderClassName).addClass(ClassName.ACTIVE);
 
-          $(nextElement).addClass(ClassName.ACTIVE);
+          $(activeElement).removeClass(ClassName.ACTIVE + ' ' + orderClassName + ' ' + directionalClassName);
 
-          $(activeElement).removeClass(ClassName.ACTIVE).removeClass(direction).removeClass(directionalClassName);
-
-          _this3._isSliding = false;
+          _this5._isSliding = false;
 
           setTimeout(function () {
-            return $(_this3._element).trigger(slidEvent);
+            return $(_this5._element).trigger(slidEvent);
           }, 0);
         }).emulateTransitionEnd(TRANSITION_DURATION);
       } else {
@@ -979,7 +1002,7 @@ var Carousel = function ($) {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): collapse.js
+ * Bootstrap (v4.0.0-alpha.6): collapse.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -993,7 +1016,7 @@ var Collapse = function ($) {
    */
 
   var NAME = 'collapse';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.collapse';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -1019,7 +1042,7 @@ var Collapse = function ($) {
   };
 
   var ClassName = {
-    IN: 'in',
+    SHOW: 'show',
     COLLAPSE: 'collapse',
     COLLAPSING: 'collapsing',
     COLLAPSED: 'collapsed'
@@ -1031,7 +1054,7 @@ var Collapse = function ($) {
   };
 
   var Selector = {
-    ACTIVES: '.card > .in, .card > .collapsing',
+    ACTIVES: '.card > .show, .card > .collapsing',
     DATA_TOGGLE: '[data-toggle="collapse"]'
   };
 
@@ -1066,7 +1089,7 @@ var Collapse = function ($) {
     // public
 
     Collapse.prototype.toggle = function toggle() {
-      if ($(this._element).hasClass(ClassName.IN)) {
+      if ($(this._element).hasClass(ClassName.SHOW)) {
         this.hide();
       } else {
         this.show();
@@ -1074,9 +1097,13 @@ var Collapse = function ($) {
     };
 
     Collapse.prototype.show = function show() {
-      var _this4 = this;
+      var _this6 = this;
 
-      if (this._isTransitioning || $(this._element).hasClass(ClassName.IN)) {
+      if (this._isTransitioning) {
+        throw new Error('Collapse is transitioning');
+      }
+
+      if ($(this._element).hasClass(ClassName.SHOW)) {
         return;
       }
 
@@ -1084,7 +1111,7 @@ var Collapse = function ($) {
       var activesData = void 0;
 
       if (this._parent) {
-        actives = $.makeArray($(Selector.ACTIVES));
+        actives = $.makeArray($(this._parent).find(Selector.ACTIVES));
         if (!actives.length) {
           actives = null;
         }
@@ -1124,13 +1151,13 @@ var Collapse = function ($) {
       this.setTransitioning(true);
 
       var complete = function complete() {
-        $(_this4._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).addClass(ClassName.IN);
+        $(_this6._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).addClass(ClassName.SHOW);
 
-        _this4._element.style[dimension] = '';
+        _this6._element.style[dimension] = '';
 
-        _this4.setTransitioning(false);
+        _this6.setTransitioning(false);
 
-        $(_this4._element).trigger(Event.SHOWN);
+        $(_this6._element).trigger(Event.SHOWN);
       };
 
       if (!Util.supportsTransitionEnd()) {
@@ -1147,9 +1174,13 @@ var Collapse = function ($) {
     };
 
     Collapse.prototype.hide = function hide() {
-      var _this5 = this;
+      var _this7 = this;
 
-      if (this._isTransitioning || !$(this._element).hasClass(ClassName.IN)) {
+      if (this._isTransitioning) {
+        throw new Error('Collapse is transitioning');
+      }
+
+      if (!$(this._element).hasClass(ClassName.SHOW)) {
         return;
       }
 
@@ -1166,7 +1197,7 @@ var Collapse = function ($) {
 
       Util.reflow(this._element);
 
-      $(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.IN);
+      $(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.SHOW);
 
       this._element.setAttribute('aria-expanded', false);
 
@@ -1177,8 +1208,8 @@ var Collapse = function ($) {
       this.setTransitioning(true);
 
       var complete = function complete() {
-        _this5.setTransitioning(false);
-        $(_this5._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).trigger(Event.HIDDEN);
+        _this7.setTransitioning(false);
+        $(_this7._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).trigger(Event.HIDDEN);
       };
 
       this._element.style[dimension] = '';
@@ -1220,13 +1251,13 @@ var Collapse = function ($) {
     };
 
     Collapse.prototype._getParent = function _getParent() {
-      var _this6 = this;
+      var _this8 = this;
 
       var parent = $(this._config.parent)[0];
       var selector = '[data-toggle="collapse"][data-parent="' + this._config.parent + '"]';
 
       $(parent).find(selector).each(function (i, element) {
-        _this6._addAriaAndCollapsedClass(Collapse._getTargetFromElement(element), [element]);
+        _this8._addAriaAndCollapsedClass(Collapse._getTargetFromElement(element), [element]);
       });
 
       return parent;
@@ -1234,7 +1265,7 @@ var Collapse = function ($) {
 
     Collapse.prototype._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) {
       if (element) {
-        var isOpen = $(element).hasClass(ClassName.IN);
+        var isOpen = $(element).hasClass(ClassName.SHOW);
         element.setAttribute('aria-expanded', isOpen);
 
         if (triggerArray.length) {
@@ -1323,7 +1354,7 @@ var Collapse = function ($) {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): dropdown.js
+ * Bootstrap (v4.0.0-alpha.6): dropdown.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -1337,7 +1368,7 @@ var Dropdown = function ($) {
    */
 
   var NAME = 'dropdown';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.dropdown';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -1354,13 +1385,14 @@ var Dropdown = function ($) {
     SHOWN: 'shown' + EVENT_KEY,
     CLICK: 'click' + EVENT_KEY,
     CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY,
+    FOCUSIN_DATA_API: 'focusin' + EVENT_KEY + DATA_API_KEY,
     KEYDOWN_DATA_API: 'keydown' + EVENT_KEY + DATA_API_KEY
   };
 
   var ClassName = {
     BACKDROP: 'dropdown-backdrop',
     DISABLED: 'disabled',
-    OPEN: 'open'
+    SHOW: 'show'
   };
 
   var Selector = {
@@ -1398,7 +1430,7 @@ var Dropdown = function ($) {
       }
 
       var parent = Dropdown._getParentFromElement(this);
-      var isActive = $(parent).hasClass(ClassName.OPEN);
+      var isActive = $(parent).hasClass(ClassName.SHOW);
 
       Dropdown._clearMenus();
 
@@ -1415,7 +1447,9 @@ var Dropdown = function ($) {
         $(dropdown).on('click', Dropdown._clearMenus);
       }
 
-      var relatedTarget = { relatedTarget: this };
+      var relatedTarget = {
+        relatedTarget: this
+      };
       var showEvent = $.Event(Event.SHOW, relatedTarget);
 
       $(parent).trigger(showEvent);
@@ -1425,9 +1459,9 @@ var Dropdown = function ($) {
       }
 
       this.focus();
-      this.setAttribute('aria-expanded', 'true');
+      this.setAttribute('aria-expanded', true);
 
-      $(parent).toggleClass(ClassName.OPEN);
+      $(parent).toggleClass(ClassName.SHOW);
       $(parent).trigger($.Event(Event.SHOWN, relatedTarget));
 
       return false;
@@ -1452,7 +1486,8 @@ var Dropdown = function ($) {
         var data = $(this).data(DATA_KEY);
 
         if (!data) {
-          $(this).data(DATA_KEY, data = new Dropdown(this));
+          data = new Dropdown(this);
+          $(this).data(DATA_KEY, data);
         }
 
         if (typeof config === 'string') {
@@ -1478,13 +1513,15 @@ var Dropdown = function ($) {
 
       for (var i = 0; i < toggles.length; i++) {
         var parent = Dropdown._getParentFromElement(toggles[i]);
-        var relatedTarget = { relatedTarget: toggles[i] };
+        var relatedTarget = {
+          relatedTarget: toggles[i]
+        };
 
-        if (!$(parent).hasClass(ClassName.OPEN)) {
+        if (!$(parent).hasClass(ClassName.SHOW)) {
           continue;
         }
 
-        if (event && event.type === 'click' && /input|textarea/i.test(event.target.tagName) && $.contains(parent, event.target)) {
+        if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'focusin') && $.contains(parent, event.target)) {
           continue;
         }
 
@@ -1496,7 +1533,7 @@ var Dropdown = function ($) {
 
         toggles[i].setAttribute('aria-expanded', 'false');
 
-        $(parent).removeClass(ClassName.OPEN).trigger($.Event(Event.HIDDEN, relatedTarget));
+        $(parent).removeClass(ClassName.SHOW).trigger($.Event(Event.HIDDEN, relatedTarget));
       }
     };
 
@@ -1524,7 +1561,7 @@ var Dropdown = function ($) {
       }
 
       var parent = Dropdown._getParentFromElement(this);
-      var isActive = $(parent).hasClass(ClassName.OPEN);
+      var isActive = $(parent).hasClass(ClassName.SHOW);
 
       if (!isActive && event.which !== ESCAPE_KEYCODE || isActive && event.which === ESCAPE_KEYCODE) {
 
@@ -1537,11 +1574,7 @@ var Dropdown = function ($) {
         return;
       }
 
-      var items = $.makeArray($(Selector.VISIBLE_ITEMS));
-
-      items = items.filter(function (item) {
-        return item.offsetWidth || item.offsetHeight;
-      });
+      var items = $(parent).find(Selector.VISIBLE_ITEMS).get();
 
       if (!items.length) {
         return;
@@ -1582,7 +1615,7 @@ var Dropdown = function ($) {
    * ------------------------------------------------------------------------
    */
 
-  $(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_MENU, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_LISTBOX, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, Dropdown.prototype.toggle).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) {
+  $(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_MENU, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_LISTBOX, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API + ' ' + Event.FOCUSIN_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, Dropdown.prototype.toggle).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) {
     e.stopPropagation();
   });
 
@@ -1604,7 +1637,7 @@ var Dropdown = function ($) {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): modal.js
+ * Bootstrap (v4.0.0-alpha.6): modal.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -1618,7 +1651,7 @@ var Modal = function ($) {
    */
 
   var NAME = 'modal';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.modal';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -1660,14 +1693,14 @@ var Modal = function ($) {
     BACKDROP: 'modal-backdrop',
     OPEN: 'modal-open',
     FADE: 'fade',
-    IN: 'in'
+    SHOW: 'show'
   };
 
   var Selector = {
     DIALOG: '.modal-dialog',
     DATA_TOGGLE: '[data-toggle="modal"]',
     DATA_DISMISS: '[data-dismiss="modal"]',
-    FIXED_CONTENT: '.navbar-fixed-top, .navbar-fixed-bottom, .is-fixed'
+    FIXED_CONTENT: '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top'
   };
 
   /**
@@ -1687,6 +1720,7 @@ var Modal = function ($) {
       this._isShown = false;
       this._isBodyOverflowing = false;
       this._ignoreBackdropClick = false;
+      this._isTransitioning = false;
       this._originalBodyPadding = 0;
       this._scrollbarWidth = 0;
     }
@@ -1700,8 +1734,15 @@ var Modal = function ($) {
     };
 
     Modal.prototype.show = function show(relatedTarget) {
-      var _this7 = this;
+      var _this9 = this;
 
+      if (this._isTransitioning) {
+        throw new Error('Modal is transitioning');
+      }
+
+      if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
+        this._isTransitioning = true;
+      }
       var showEvent = $.Event(Event.SHOW, {
         relatedTarget: relatedTarget
       });
@@ -1722,26 +1763,40 @@ var Modal = function ($) {
       this._setEscapeEvent();
       this._setResizeEvent();
 
-      $(this._element).on(Event.CLICK_DISMISS, Selector.DATA_DISMISS, $.proxy(this.hide, this));
+      $(this._element).on(Event.CLICK_DISMISS, Selector.DATA_DISMISS, function (event) {
+        return _this9.hide(event);
+      });
 
       $(this._dialog).on(Event.MOUSEDOWN_DISMISS, function () {
-        $(_this7._element).one(Event.MOUSEUP_DISMISS, function (event) {
-          if ($(event.target).is(_this7._element)) {
-            _this7._ignoreBackdropClick = true;
+        $(_this9._element).one(Event.MOUSEUP_DISMISS, function (event) {
+          if ($(event.target).is(_this9._element)) {
+            _this9._ignoreBackdropClick = true;
           }
         });
       });
 
-      this._showBackdrop($.proxy(this._showElement, this, relatedTarget));
+      this._showBackdrop(function () {
+        return _this9._showElement(relatedTarget);
+      });
     };
 
     Modal.prototype.hide = function hide(event) {
+      var _this10 = this;
+
       if (event) {
         event.preventDefault();
       }
 
-      var hideEvent = $.Event(Event.HIDE);
+      if (this._isTransitioning) {
+        throw new Error('Modal is transitioning');
+      }
+
+      var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
+      if (transition) {
+        this._isTransitioning = true;
+      }
 
+      var hideEvent = $.Event(Event.HIDE);
       $(this._element).trigger(hideEvent);
 
       if (!this._isShown || hideEvent.isDefaultPrevented()) {
@@ -1755,14 +1810,15 @@ var Modal = function ($) {
 
       $(document).off(Event.FOCUSIN);
 
-      $(this._element).removeClass(ClassName.IN);
+      $(this._element).removeClass(ClassName.SHOW);
 
       $(this._element).off(Event.CLICK_DISMISS);
       $(this._dialog).off(Event.MOUSEDOWN_DISMISS);
 
-      if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
-
-        $(this._element).one(Util.TRANSITION_END, $.proxy(this._hideModal, this)).emulateTransitionEnd(TRANSITION_DURATION);
+      if (transition) {
+        $(this._element).one(Util.TRANSITION_END, function (event) {
+          return _this10._hideModal(event);
+        }).emulateTransitionEnd(TRANSITION_DURATION);
       } else {
         this._hideModal();
       }
@@ -1771,10 +1827,7 @@ var Modal = function ($) {
     Modal.prototype.dispose = function dispose() {
       $.removeData(this._element, DATA_KEY);
 
-      $(window).off(EVENT_KEY);
-      $(document).off(EVENT_KEY);
-      $(this._element).off(EVENT_KEY);
-      $(this._backdrop).off(EVENT_KEY);
+      $(window, document, this._element, this._backdrop).off(EVENT_KEY);
 
       this._config = null;
       this._element = null;
@@ -1796,7 +1849,7 @@ var Modal = function ($) {
     };
 
     Modal.prototype._showElement = function _showElement(relatedTarget) {
-      var _this8 = this;
+      var _this11 = this;
 
       var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
 
@@ -1813,7 +1866,7 @@ var Modal = function ($) {
         Util.reflow(this._element);
       }
 
-      $(this._element).addClass(ClassName.IN);
+      $(this._element).addClass(ClassName.SHOW);
 
       if (this._config.focus) {
         this._enforceFocus();
@@ -1824,10 +1877,11 @@ var Modal = function ($) {
       });
 
       var transitionComplete = function transitionComplete() {
-        if (_this8._config.focus) {
-          _this8._element.focus();
+        if (_this11._config.focus) {
+          _this11._element.focus();
         }
-        $(_this8._element).trigger(shownEvent);
+        _this11._isTransitioning = false;
+        $(_this11._element).trigger(shownEvent);
       };
 
       if (transition) {
@@ -1838,23 +1892,23 @@ var Modal = function ($) {
     };
 
     Modal.prototype._enforceFocus = function _enforceFocus() {
-      var _this9 = this;
+      var _this12 = this;
 
       $(document).off(Event.FOCUSIN) // guard against infinite focus loop
       .on(Event.FOCUSIN, function (event) {
-        if (document !== event.target && _this9._element !== event.target && !$(_this9._element).has(event.target).length) {
-          _this9._element.focus();
+        if (document !== event.target && _this12._element !== event.target && !$(_this12._element).has(event.target).length) {
+          _this12._element.focus();
         }
       });
     };
 
     Modal.prototype._setEscapeEvent = function _setEscapeEvent() {
-      var _this10 = this;
+      var _this13 = this;
 
       if (this._isShown && this._config.keyboard) {
         $(this._element).on(Event.KEYDOWN_DISMISS, function (event) {
           if (event.which === ESCAPE_KEYCODE) {
-            _this10.hide();
+            _this13.hide();
           }
         });
       } else if (!this._isShown) {
@@ -1863,23 +1917,28 @@ var Modal = function ($) {
     };
 
     Modal.prototype._setResizeEvent = function _setResizeEvent() {
+      var _this14 = this;
+
       if (this._isShown) {
-        $(window).on(Event.RESIZE, $.proxy(this._handleUpdate, this));
+        $(window).on(Event.RESIZE, function (event) {
+          return _this14._handleUpdate(event);
+        });
       } else {
         $(window).off(Event.RESIZE);
       }
     };
 
     Modal.prototype._hideModal = function _hideModal() {
-      var _this11 = this;
+      var _this15 = this;
 
       this._element.style.display = 'none';
       this._element.setAttribute('aria-hidden', 'true');
+      this._isTransitioning = false;
       this._showBackdrop(function () {
         $(document.body).removeClass(ClassName.OPEN);
-        _this11._resetAdjustments();
-        _this11._resetScrollbar();
-        $(_this11._element).trigger(Event.HIDDEN);
+        _this15._resetAdjustments();
+        _this15._resetScrollbar();
+        $(_this15._element).trigger(Event.HIDDEN);
       });
     };
 
@@ -1891,7 +1950,7 @@ var Modal = function ($) {
     };
 
     Modal.prototype._showBackdrop = function _showBackdrop(callback) {
-      var _this12 = this;
+      var _this16 = this;
 
       var animate = $(this._element).hasClass(ClassName.FADE) ? ClassName.FADE : '';
 
@@ -1908,17 +1967,17 @@ var Modal = function ($) {
         $(this._backdrop).appendTo(document.body);
 
         $(this._element).on(Event.CLICK_DISMISS, function (event) {
-          if (_this12._ignoreBackdropClick) {
-            _this12._ignoreBackdropClick = false;
+          if (_this16._ignoreBackdropClick) {
+            _this16._ignoreBackdropClick = false;
             return;
           }
           if (event.target !== event.currentTarget) {
             return;
           }
-          if (_this12._config.backdrop === 'static') {
-            _this12._element.focus();
+          if (_this16._config.backdrop === 'static') {
+            _this16._element.focus();
           } else {
-            _this12.hide();
+            _this16.hide();
           }
         });
 
@@ -1926,7 +1985,7 @@ var Modal = function ($) {
           Util.reflow(this._backdrop);
         }
 
-        $(this._backdrop).addClass(ClassName.IN);
+        $(this._backdrop).addClass(ClassName.SHOW);
 
         if (!callback) {
           return;
@@ -1939,10 +1998,10 @@ var Modal = function ($) {
 
         $(this._backdrop).one(Util.TRANSITION_END, callback).emulateTransitionEnd(BACKDROP_TRANSITION_DURATION);
       } else if (!this._isShown && this._backdrop) {
-        $(this._backdrop).removeClass(ClassName.IN);
+        $(this._backdrop).removeClass(ClassName.SHOW);
 
         var callbackRemove = function callbackRemove() {
-          _this12._removeBackdrop();
+          _this16._removeBackdrop();
           if (callback) {
             callback();
           }
@@ -2058,7 +2117,7 @@ var Modal = function ($) {
    */
 
   $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
-    var _this13 = this;
+    var _this17 = this;
 
     var target = void 0;
     var selector = Util.getSelectorFromElement(this);
@@ -2069,7 +2128,7 @@ var Modal = function ($) {
 
     var config = $(target).data(DATA_KEY) ? 'toggle' : $.extend({}, $(target).data(), $(this).data());
 
-    if (this.tagName === 'A') {
+    if (this.tagName === 'A' || this.tagName === 'AREA') {
       event.preventDefault();
     }
 
@@ -2080,8 +2139,8 @@ var Modal = function ($) {
       }
 
       $target.one(Event.HIDDEN, function () {
-        if ($(_this13).is(':visible')) {
-          _this13.focus();
+        if ($(_this17).is(':visible')) {
+          _this17.focus();
         }
       });
     });
@@ -2107,7 +2166,7 @@ var Modal = function ($) {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): scrollspy.js
+ * Bootstrap (v4.0.0-alpha.6): scrollspy.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -2121,7 +2180,7 @@ var ScrollSpy = function ($) {
    */
 
   var NAME = 'scrollspy';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.scrollspy';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -2178,6 +2237,8 @@ var ScrollSpy = function ($) {
 
   var ScrollSpy = function () {
     function ScrollSpy(element, config) {
+      var _this18 = this;
+
       _classCallCheck(this, ScrollSpy);
 
       this._element = element;
@@ -2189,7 +2250,9 @@ var ScrollSpy = function ($) {
       this._activeTarget = null;
       this._scrollHeight = 0;
 
-      $(this._scrollElement).on(Event.SCROLL, $.proxy(this._process, this));
+      $(this._scrollElement).on(Event.SCROLL, function (event) {
+        return _this18._process(event);
+      });
 
       this.refresh();
       this._process();
@@ -2200,7 +2263,7 @@ var ScrollSpy = function ($) {
     // public
 
     ScrollSpy.prototype.refresh = function refresh() {
-      var _this14 = this;
+      var _this19 = this;
 
       var autoMethod = this._scrollElement !== this._scrollElement.window ? OffsetMethod.POSITION : OffsetMethod.OFFSET;
 
@@ -2233,8 +2296,8 @@ var ScrollSpy = function ($) {
       }).sort(function (a, b) {
         return a[0] - b[0];
       }).forEach(function (item) {
-        _this14._offsets.push(item[0]);
-        _this14._targets.push(item[1]);
+        _this19._offsets.push(item[0]);
+        _this19._targets.push(item[1]);
       });
     };
 
@@ -2272,17 +2335,21 @@ var ScrollSpy = function ($) {
     };
 
     ScrollSpy.prototype._getScrollTop = function _getScrollTop() {
-      return this._scrollElement === window ? this._scrollElement.scrollY : this._scrollElement.scrollTop;
+      return this._scrollElement === window ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop;
     };
 
     ScrollSpy.prototype._getScrollHeight = function _getScrollHeight() {
       return this._scrollElement.scrollHeight || Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);
     };
 
+    ScrollSpy.prototype._getOffsetHeight = function _getOffsetHeight() {
+      return this._scrollElement === window ? window.innerHeight : this._scrollElement.offsetHeight;
+    };
+
     ScrollSpy.prototype._process = function _process() {
       var scrollTop = this._getScrollTop() + this._config.offset;
       var scrollHeight = this._getScrollHeight();
-      var maxScroll = this._config.offset + scrollHeight - this._scrollElement.offsetHeight;
+      var maxScroll = this._config.offset + scrollHeight - this._getOffsetHeight();
 
       if (this._scrollHeight !== scrollHeight) {
         this.refresh();
@@ -2294,9 +2361,10 @@ var ScrollSpy = function ($) {
         if (this._activeTarget !== target) {
           this._activate(target);
         }
+        return;
       }
 
-      if (this._activeTarget && scrollTop < this._offsets[0]) {
+      if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {
         this._activeTarget = null;
         this._clear();
         return;
@@ -2329,7 +2397,7 @@ var ScrollSpy = function ($) {
       } else {
         // todo (fat) this is kinda sus...
         // recursively add actives to tested nav-links
-        $link.parents(Selector.LI).find(Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
+        $link.parents(Selector.LI).find('> ' + Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
       }
 
       $(this._scrollElement).trigger(Event.ACTIVATE, {
@@ -2346,7 +2414,7 @@ var ScrollSpy = function ($) {
     ScrollSpy._jQueryInterface = function _jQueryInterface(config) {
       return this.each(function () {
         var data = $(this).data(DATA_KEY);
-        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config || null;
+        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config;
 
         if (!data) {
           data = new ScrollSpy(this, _config);
@@ -2410,7 +2478,7 @@ var ScrollSpy = function ($) {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): tab.js
+ * Bootstrap (v4.0.0-alpha.6): tab.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -2424,7 +2492,7 @@ var Tab = function ($) {
    */
 
   var NAME = 'tab';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.tab';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -2442,15 +2510,16 @@ var Tab = function ($) {
   var ClassName = {
     DROPDOWN_MENU: 'dropdown-menu',
     ACTIVE: 'active',
+    DISABLED: 'disabled',
     FADE: 'fade',
-    IN: 'in'
+    SHOW: 'show'
   };
 
   var Selector = {
     A: 'a',
     LI: 'li',
     DROPDOWN: '.dropdown',
-    UL: 'ul:not(.dropdown-menu)',
+    LIST: 'ul:not(.dropdown-menu), ol:not(.dropdown-menu), nav:not(.dropdown-menu)',
     FADE_CHILD: '> .nav-item .fade, > .fade',
     ACTIVE: '.active',
     ACTIVE_CHILD: '> .nav-item > .active, > .active',
@@ -2477,19 +2546,19 @@ var Tab = function ($) {
     // public
 
     Tab.prototype.show = function show() {
-      var _this15 = this;
+      var _this20 = this;
 
-      if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).hasClass(ClassName.ACTIVE)) {
+      if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).hasClass(ClassName.ACTIVE) || $(this._element).hasClass(ClassName.DISABLED)) {
         return;
       }
 
       var target = void 0;
       var previous = void 0;
-      var ulElement = $(this._element).closest(Selector.UL)[0];
+      var listElement = $(this._element).closest(Selector.LIST)[0];
       var selector = Util.getSelectorFromElement(this._element);
 
-      if (ulElement) {
-        previous = $.makeArray($(ulElement).find(Selector.ACTIVE));
+      if (listElement) {
+        previous = $.makeArray($(listElement).find(Selector.ACTIVE));
         previous = previous[previous.length - 1];
       }
 
@@ -2515,11 +2584,11 @@ var Tab = function ($) {
         target = $(selector)[0];
       }
 
-      this._activate(this._element, ulElement);
+      this._activate(this._element, listElement);
 
       var complete = function complete() {
         var hiddenEvent = $.Event(Event.HIDDEN, {
-          relatedTarget: _this15._element
+          relatedTarget: _this20._element
         });
 
         var shownEvent = $.Event(Event.SHOWN, {
@@ -2527,7 +2596,7 @@ var Tab = function ($) {
         });
 
         $(previous).trigger(hiddenEvent);
-        $(_this15._element).trigger(shownEvent);
+        $(_this20._element).trigger(shownEvent);
       };
 
       if (target) {
@@ -2545,10 +2614,14 @@ var Tab = function ($) {
     // private
 
     Tab.prototype._activate = function _activate(element, container, callback) {
+      var _this21 = this;
+
       var active = $(container).find(Selector.ACTIVE_CHILD)[0];
       var isTransitioning = callback && Util.supportsTransitionEnd() && (active && $(active).hasClass(ClassName.FADE) || Boolean($(container).find(Selector.FADE_CHILD)[0]));
 
-      var complete = $.proxy(this._transitionComplete, this, element, active, isTransitioning, callback);
+      var complete = function complete() {
+        return _this21._transitionComplete(element, active, isTransitioning, callback);
+      };
 
       if (active && isTransitioning) {
         $(active).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
@@ -2557,7 +2630,7 @@ var Tab = function ($) {
       }
 
       if (active) {
-        $(active).removeClass(ClassName.IN);
+        $(active).removeClass(ClassName.SHOW);
       }
     };
 
@@ -2565,7 +2638,7 @@ var Tab = function ($) {
       if (active) {
         $(active).removeClass(ClassName.ACTIVE);
 
-        var dropdownChild = $(active).find(Selector.DROPDOWN_ACTIVE_CHILD)[0];
+        var dropdownChild = $(active.parentNode).find(Selector.DROPDOWN_ACTIVE_CHILD)[0];
 
         if (dropdownChild) {
           $(dropdownChild).removeClass(ClassName.ACTIVE);
@@ -2579,7 +2652,7 @@ var Tab = function ($) {
 
       if (isTransitioning) {
         Util.reflow(element);
-        $(element).addClass(ClassName.IN);
+        $(element).addClass(ClassName.SHOW);
       } else {
         $(element).removeClass(ClassName.FADE);
       }
@@ -2607,7 +2680,7 @@ var Tab = function ($) {
         var data = $this.data(DATA_KEY);
 
         if (!data) {
-          data = data = new Tab(this);
+          data = new Tab(this);
           $this.data(DATA_KEY, data);
         }
 
@@ -2661,7 +2734,7 @@ var Tab = function ($) {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): tooltip.js
+ * Bootstrap (v4.0.0-alpha.6): tooltip.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -2672,7 +2745,7 @@ var Tooltip = function ($) {
    * Check for Tether dependency
    * Tether - http://tether.io/
    */
-  if (window.Tether === undefined) {
+  if (typeof Tether === 'undefined') {
     throw new Error('Bootstrap tooltips require Tether (http://tether.io/)');
   }
 
@@ -2683,7 +2756,7 @@ var Tooltip = function ($) {
    */
 
   var NAME = 'tooltip';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.tooltip';
   var EVENT_KEY = '.' + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
@@ -2700,7 +2773,8 @@ var Tooltip = function ($) {
     selector: false,
     placement: 'top',
     offset: '0 0',
-    constraints: []
+    constraints: [],
+    container: false
   };
 
   var DefaultType = {
@@ -2713,7 +2787,8 @@ var Tooltip = function ($) {
     selector: '(string|boolean)',
     placement: '(string|function)',
     offset: 'string',
-    constraints: 'array'
+    constraints: 'array',
+    container: '(string|element|boolean)'
   };
 
   var AttachmentMap = {
@@ -2724,7 +2799,7 @@ var Tooltip = function ($) {
   };
 
   var HoverState = {
-    IN: 'in',
+    SHOW: 'show',
     OUT: 'out'
   };
 
@@ -2743,7 +2818,7 @@ var Tooltip = function ($) {
 
   var ClassName = {
     FADE: 'fade',
-    IN: 'in'
+    SHOW: 'show'
   };
 
   var Selector = {
@@ -2778,6 +2853,7 @@ var Tooltip = function ($) {
       this._timeout = 0;
       this._hoverState = '';
       this._activeTrigger = {};
+      this._isTransitioning = false;
       this._tether = null;
 
       // protected
@@ -2823,7 +2899,7 @@ var Tooltip = function ($) {
         }
       } else {
 
-        if ($(this.getTipElement()).hasClass(ClassName.IN)) {
+        if ($(this.getTipElement()).hasClass(ClassName.SHOW)) {
           this._leave(null, this);
           return;
         }
@@ -2840,6 +2916,7 @@ var Tooltip = function ($) {
       $.removeData(this.element, this.constructor.DATA_KEY);
 
       $(this.element).off(this.constructor.EVENT_KEY);
+      $(this.element).closest('.modal').off('hide.bs.modal');
 
       if (this.tip) {
         $(this.tip).remove();
@@ -2857,11 +2934,17 @@ var Tooltip = function ($) {
     };
 
     Tooltip.prototype.show = function show() {
-      var _this16 = this;
+      var _this22 = this;
 
-      var showEvent = $.Event(this.constructor.Event.SHOW);
+      if ($(this.element).css('display') === 'none') {
+        throw new Error('Please use show on visible elements');
+      }
 
+      var showEvent = $.Event(this.constructor.Event.SHOW);
       if (this.isWithContent() && this._isEnabled) {
+        if (this._isTransitioning) {
+          throw new Error('Tooltip is transitioning');
+        }
         $(this.element).trigger(showEvent);
 
         var isInTheDom = $.contains(this.element.ownerDocument.documentElement, this.element);
@@ -2886,7 +2969,9 @@ var Tooltip = function ($) {
 
         var attachment = this._getAttachment(placement);
 
-        $(tip).data(this.constructor.DATA_KEY, this).appendTo(document.body);
+        var container = this.config.container === false ? document.body : $(this.config.container);
+
+        $(tip).data(this.constructor.DATA_KEY, this).appendTo(container);
 
         $(this.element).trigger(this.constructor.Event.INSERTED);
 
@@ -2904,20 +2989,22 @@ var Tooltip = function ($) {
         Util.reflow(tip);
         this._tether.position();
 
-        $(tip).addClass(ClassName.IN);
+        $(tip).addClass(ClassName.SHOW);
 
         var complete = function complete() {
-          var prevHoverState = _this16._hoverState;
-          _this16._hoverState = null;
+          var prevHoverState = _this22._hoverState;
+          _this22._hoverState = null;
+          _this22._isTransitioning = false;
 
-          $(_this16.element).trigger(_this16.constructor.Event.SHOWN);
+          $(_this22.element).trigger(_this22.constructor.Event.SHOWN);
 
           if (prevHoverState === HoverState.OUT) {
-            _this16._leave(null, _this16);
+            _this22._leave(null, _this22);
           }
         };
 
         if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
+          this._isTransitioning = true;
           $(this.tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(Tooltip._TRANSITION_DURATION);
           return;
         }
@@ -2927,18 +3014,22 @@ var Tooltip = function ($) {
     };
 
     Tooltip.prototype.hide = function hide(callback) {
-      var _this17 = this;
+      var _this23 = this;
 
       var tip = this.getTipElement();
       var hideEvent = $.Event(this.constructor.Event.HIDE);
+      if (this._isTransitioning) {
+        throw new Error('Tooltip is transitioning');
+      }
       var complete = function complete() {
-        if (_this17._hoverState !== HoverState.IN && tip.parentNode) {
+        if (_this23._hoverState !== HoverState.SHOW && tip.parentNode) {
           tip.parentNode.removeChild(tip);
         }
 
-        _this17.element.removeAttribute('aria-describedby');
-        $(_this17.element).trigger(_this17.constructor.Event.HIDDEN);
-        _this17.cleanupTether();
+        _this23.element.removeAttribute('aria-describedby');
+        $(_this23.element).trigger(_this23.constructor.Event.HIDDEN);
+        _this23._isTransitioning = false;
+        _this23.cleanupTether();
 
         if (callback) {
           callback();
@@ -2951,10 +3042,14 @@ var Tooltip = function ($) {
         return;
       }
 
-      $(tip).removeClass(ClassName.IN);
+      $(tip).removeClass(ClassName.SHOW);
 
-      if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
+      this._activeTrigger[Trigger.CLICK] = false;
+      this._activeTrigger[Trigger.FOCUS] = false;
+      this._activeTrigger[Trigger.HOVER] = false;
 
+      if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
+        this._isTransitioning = true;
         $(tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
       } else {
         complete();
@@ -2978,7 +3073,7 @@ var Tooltip = function ($) {
 
       this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle());
 
-      $tip.removeClass(ClassName.FADE).removeClass(ClassName.IN);
+      $tip.removeClass(ClassName.FADE + ' ' + ClassName.SHOW);
 
       this.cleanupTether();
     };
@@ -3022,19 +3117,29 @@ var Tooltip = function ($) {
     };
 
     Tooltip.prototype._setListeners = function _setListeners() {
-      var _this18 = this;
+      var _this24 = this;
 
       var triggers = this.config.trigger.split(' ');
 
       triggers.forEach(function (trigger) {
         if (trigger === 'click') {
-          $(_this18.element).on(_this18.constructor.Event.CLICK, _this18.config.selector, $.proxy(_this18.toggle, _this18));
+          $(_this24.element).on(_this24.constructor.Event.CLICK, _this24.config.selector, function (event) {
+            return _this24.toggle(event);
+          });
         } else if (trigger !== Trigger.MANUAL) {
-          var eventIn = trigger === Trigger.HOVER ? _this18.constructor.Event.MOUSEENTER : _this18.constructor.Event.FOCUSIN;
-          var eventOut = trigger === Trigger.HOVER ? _this18.constructor.Event.MOUSELEAVE : _this18.constructor.Event.FOCUSOUT;
+          var eventIn = trigger === Trigger.HOVER ? _this24.constructor.Event.MOUSEENTER : _this24.constructor.Event.FOCUSIN;
+          var eventOut = trigger === Trigger.HOVER ? _this24.constructor.Event.MOUSELEAVE : _this24.constructor.Event.FOCUSOUT;
 
-          $(_this18.element).on(eventIn, _this18.config.selector, $.proxy(_this18._enter, _this18)).on(eventOut, _this18.config.selector, $.proxy(_this18._leave, _this18));
+          $(_this24.element).on(eventIn, _this24.config.selector, function (event) {
+            return _this24._enter(event);
+          }).on(eventOut, _this24.config.selector, function (event) {
+            return _this24._leave(event);
+          });
         }
+
+        $(_this24.element).closest('.modal').on('hide.bs.modal', function () {
+          return _this24.hide();
+        });
       });
 
       if (this.config.selector) {
@@ -3069,14 +3174,14 @@ var Tooltip = function ($) {
         context._activeTrigger[event.type === 'focusin' ? Trigger.FOCUS : Trigger.HOVER] = true;
       }
 
-      if ($(context.getTipElement()).hasClass(ClassName.IN) || context._hoverState === HoverState.IN) {
-        context._hoverState = HoverState.IN;
+      if ($(context.getTipElement()).hasClass(ClassName.SHOW) || context._hoverState === HoverState.SHOW) {
+        context._hoverState = HoverState.SHOW;
         return;
       }
 
       clearTimeout(context._timeout);
 
-      context._hoverState = HoverState.IN;
+      context._hoverState = HoverState.SHOW;
 
       if (!context.config.delay || !context.config.delay.show) {
         context.show();
@@ -3084,7 +3189,7 @@ var Tooltip = function ($) {
       }
 
       context._timeout = setTimeout(function () {
-        if (context._hoverState === HoverState.IN) {
+        if (context._hoverState === HoverState.SHOW) {
           context.show();
         }
       }, context.config.delay.show);
@@ -3168,7 +3273,7 @@ var Tooltip = function ($) {
     Tooltip._jQueryInterface = function _jQueryInterface(config) {
       return this.each(function () {
         var data = $(this).data(DATA_KEY);
-        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' ? config : null;
+        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config;
 
         if (!data && /dispose|hide/.test(config)) {
           return;
@@ -3246,7 +3351,7 @@ var Tooltip = function ($) {
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): popover.js
+ * Bootstrap (v4.0.0-alpha.6): popover.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -3260,7 +3365,7 @@ var Popover = function ($) {
    */
 
   var NAME = 'popover';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.popover';
   var EVENT_KEY = '.' + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
@@ -3278,7 +3383,7 @@ var Popover = function ($) {
 
   var ClassName = {
     FADE: 'fade',
-    IN: 'in'
+    SHOW: 'show'
   };
 
   var Selector = {
@@ -3331,7 +3436,7 @@ var Popover = function ($) {
       this.setElementContent($tip.find(Selector.TITLE), this.getTitle());
       this.setElementContent($tip.find(Selector.CONTENT), this._getContent());
 
-      $tip.removeClass(ClassName.FADE).removeClass(ClassName.IN);
+      $tip.removeClass(ClassName.FADE + ' ' + ClassName.SHOW);
 
       this.cleanupTether();
     };
diff --git a/assets/javascripts/bootstrap.min.js b/assets/javascripts/bootstrap.min.js
index 7759140..d9c72df 100644
--- a/assets/javascripts/bootstrap.min.js
+++ b/assets/javascripts/bootstrap.min.js
@@ -1,7 +1,7 @@
 /*!
- * Bootstrap v4.0.0-alpha.5 (https://getbootstrap.com)
- * Copyright 2011-2016 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
+ * Bootstrap v4.0.0-alpha.6 (https://getbootstrap.com)
+ * Copyright 2011-2017 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */
-if("undefined"==typeof jQuery)throw new Error("Bootstrap's JavaScript requires jQuery");+function(a){var b=a.fn.jquery.split(" ")[0].split(".");if(b[0]<2&&b[1]<9||1==b[0]&&9==b[1]&&b[2]<1||b[0]>=4)throw new Error("Bootstrap's JavaScript requires at least jQuery v1.9.1 but less than v4.0.0")}(jQuery),+function(){function a(a,b){if(!a)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!b||"object"!=typeof b&&"function"!=typeof b?a:b}function b(a,b){if("function"!=typeof b&&null!==b)throw new TypeError("Super expression must either be null or a function, not "+typeof b);a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,enumerable:!1,writable:!0,configurable:!0}}),b&&(Object.setPrototypeOf?Object.setPrototypeOf(a,b):a.__proto__=b)}function c(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")}var d="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},e=function(){function a(a,b){for(var c=0;c<b.length;c++){var d=b[c];d.enumerable=d.enumerable||!1,d.configurable=!0,"value"in d&&(d.writable=!0),Object.defineProperty(a,d.key,d)}}return function(b,c,d){return c&&a(b.prototype,c),d&&a(b,d),b}}(),f=function(a){function b(a){return{}.toString.call(a).match(/\s([a-zA-Z]+)/)[1].toLowerCase()}function c(a){return(a[0]||a).nodeType}function d(){return{bindType:h.end,delegateType:h.end,handle:function(b){if(a(b.target).is(this))return b.handleObj.handler.apply(this,arguments)}}}function e(){if(window.QUnit)return!1;var a=document.createElement("bootstrap");for(var b in j)if(void 0!==a.style[b])return{end:j[b]};return!1}function f(b){var c=this,d=!1;return a(this).one(k.TRANSITION_END,function(){d=!0}),setTimeout(function(){d||k.triggerTransitionEnd(c)},b),this}function g(){h=e(),a.fn.emulateTransitionEnd=f,k.supportsTransitionEnd()&&(a.event.special[k.TRANSITION_END]=d())}var h=!1,i=1e6,j={WebkitTransition:"webkitTransitionEnd",MozTransition:"transitionend",OTransition:"oTransitionEnd otransitionend",transition:"transitionend"},k={TRANSITION_END:"bsTransitionEnd",getUID:function(a){do a+=~~(Math.random()*i);while(document.getElementById(a));return a},getSelectorFromElement:function(a){var b=a.getAttribute("data-target");return b||(b=a.getAttribute("href")||"",b=/^#[a-z]/i.test(b)?b:null),b},reflow:function(a){new Function("bs","return bs")(a.offsetHeight)},triggerTransitionEnd:function(b){a(b).trigger(h.end)},supportsTransitionEnd:function(){return Boolean(h)},typeCheckConfig:function(a,d,e){for(var f in e)if(e.hasOwnProperty(f)){var g=e[f],h=d[f],i=void 0;if(i=h&&c(h)?"element":b(h),!new RegExp(g).test(i))throw new Error(a.toUpperCase()+": "+('Option "'+f+'" provided type "'+i+'" ')+('but expected type "'+g+'".'))}}};return g(),k}(jQuery),g=(function(a){var b="alert",d="4.0.0-alpha.5",g="bs.alert",h="."+g,i=".data-api",j=a.fn[b],k=150,l={DISMISS:'[data-dismiss="alert"]'},m={CLOSE:"close"+h,CLOSED:"closed"+h,CLICK_DATA_API:"click"+h+i},n={ALERT:"alert",FADE:"fade",IN:"in"},o=function(){function b(a){c(this,b),this._element=a}return b.prototype.close=function(a){a=a||this._element;var b=this._getRootElement(a),c=this._triggerCloseEvent(b);c.isDefaultPrevented()||this._removeElement(b)},b.prototype.dispose=function(){a.removeData(this._element,g),this._element=null},b.prototype._getRootElement=function(b){var c=f.getSelectorFromElement(b),d=!1;return c&&(d=a(c)[0]),d||(d=a(b).closest("."+n.ALERT)[0]),d},b.prototype._triggerCloseEvent=function(b){var c=a.Event(m.CLOSE);return a(b).trigger(c),c},b.prototype._removeElement=function(b){return a(b).removeClass(n.IN),f.supportsTransitionEnd()&&a(b).hasClass(n.FADE)?void a(b).one(f.TRANSITION_END,a.proxy(this._destroyElement,this,b)).emulateTransitionEnd(k):void this._destroyElement(b)},b.prototype._destroyElement=function(b){a(b).detach().trigger(m.CLOSED).remove()},b._jQueryInterface=function(c){return this.each(function(){var d=a(this),e=d.data(g);e||(e=new b(this),d.data(g,e)),"close"===c&&e[c](this)})},b._handleDismiss=function(a){return function(b){b&&b.preventDefault(),a.close(this)}},e(b,null,[{key:"VERSION",get:function(){return d}}]),b}();return a(document).on(m.CLICK_DATA_API,l.DISMISS,o._handleDismiss(new o)),a.fn[b]=o._jQueryInterface,a.fn[b].Constructor=o,a.fn[b].noConflict=function(){return a.fn[b]=j,o._jQueryInterface},o}(jQuery),function(a){var b="button",d="4.0.0-alpha.5",f="bs.button",g="."+f,h=".data-api",i=a.fn[b],j={ACTIVE:"active",BUTTON:"btn",FOCUS:"focus"},k={DATA_TOGGLE_CARROT:'[data-toggle^="button"]',DATA_TOGGLE:'[data-toggle="buttons"]',INPUT:"input",ACTIVE:".active",BUTTON:".btn"},l={CLICK_DATA_API:"click"+g+h,FOCUS_BLUR_DATA_API:"focus"+g+h+" "+("blur"+g+h)},m=function(){function b(a){c(this,b),this._element=a}return b.prototype.toggle=function(){var b=!0,c=a(this._element).closest(k.DATA_TOGGLE)[0];if(c){var d=a(this._element).find(k.INPUT)[0];if(d){if("radio"===d.type)if(d.checked&&a(this._element).hasClass(j.ACTIVE))b=!1;else{var e=a(c).find(k.ACTIVE)[0];e&&a(e).removeClass(j.ACTIVE)}b&&(d.checked=!a(this._element).hasClass(j.ACTIVE),a(this._element).trigger("change")),d.focus()}}else this._element.setAttribute("aria-pressed",!a(this._element).hasClass(j.ACTIVE));b&&a(this._element).toggleClass(j.ACTIVE)},b.prototype.dispose=function(){a.removeData(this._element,f),this._element=null},b._jQueryInterface=function(c){return this.each(function(){var d=a(this).data(f);d||(d=new b(this),a(this).data(f,d)),"toggle"===c&&d[c]()})},e(b,null,[{key:"VERSION",get:function(){return d}}]),b}();return a(document).on(l.CLICK_DATA_API,k.DATA_TOGGLE_CARROT,function(b){b.preventDefault();var c=b.target;a(c).hasClass(j.BUTTON)||(c=a(c).closest(k.BUTTON)),m._jQueryInterface.call(a(c),"toggle")}).on(l.FOCUS_BLUR_DATA_API,k.DATA_TOGGLE_CARROT,function(b){var c=a(b.target).closest(k.BUTTON)[0];a(c).toggleClass(j.FOCUS,/^focus(in)?$/.test(b.type))}),a.fn[b]=m._jQueryInterface,a.fn[b].Constructor=m,a.fn[b].noConflict=function(){return a.fn[b]=i,m._jQueryInterface},m}(jQuery),function(a){var b="carousel",g="4.0.0-alpha.5",h="bs.carousel",i="."+h,j=".data-api",k=a.fn[b],l=600,m=37,n=39,o={interval:5e3,keyboard:!0,slide:!1,pause:"hover",wrap:!0},p={interval:"(number|boolean)",keyboard:"boolean",slide:"(boolean|string)",pause:"(string|boolean)",wrap:"boolean"},q={NEXT:"next",PREVIOUS:"prev"},r={SLIDE:"slide"+i,SLID:"slid"+i,KEYDOWN:"keydown"+i,MOUSEENTER:"mouseenter"+i,MOUSELEAVE:"mouseleave"+i,LOAD_DATA_API:"load"+i+j,CLICK_DATA_API:"click"+i+j},s={CAROUSEL:"carousel",ACTIVE:"active",SLIDE:"slide",RIGHT:"right",LEFT:"left",ITEM:"carousel-item"},t={ACTIVE:".active",ACTIVE_ITEM:".active.carousel-item",ITEM:".carousel-item",NEXT_PREV:".next, .prev",INDICATORS:".carousel-indicators",DATA_SLIDE:"[data-slide], [data-slide-to]",DATA_RIDE:'[data-ride="carousel"]'},u=function(){function j(b,d){c(this,j),this._items=null,this._interval=null,this._activeElement=null,this._isPaused=!1,this._isSliding=!1,this._config=this._getConfig(d),this._element=a(b)[0],this._indicatorsElement=a(this._element).find(t.INDICATORS)[0],this._addEventListeners()}return j.prototype.next=function(){this._isSliding||this._slide(q.NEXT)},j.prototype.nextWhenVisible=function(){document.hidden||this.next()},j.prototype.prev=function(){this._isSliding||this._slide(q.PREVIOUS)},j.prototype.pause=function(b){b||(this._isPaused=!0),a(this._element).find(t.NEXT_PREV)[0]&&f.supportsTransitionEnd()&&(f.triggerTransitionEnd(this._element),this.cycle(!0)),clearInterval(this._interval),this._interval=null},j.prototype.cycle=function(b){b||(this._isPaused=!1),this._interval&&(clearInterval(this._interval),this._interval=null),this._config.interval&&!this._isPaused&&(this._interval=setInterval(a.proxy(document.visibilityState?this.nextWhenVisible:this.next,this),this._config.interval))},j.prototype.to=function(b){var c=this;this._activeElement=a(this._element).find(t.ACTIVE_ITEM)[0];var d=this._getItemIndex(this._activeElement);if(!(b>this._items.length-1||b<0)){if(this._isSliding)return void a(this._element).one(r.SLID,function(){return c.to(b)});if(d===b)return this.pause(),void this.cycle();var e=b>d?q.NEXT:q.PREVIOUS;this._slide(e,this._items[b])}},j.prototype.dispose=function(){a(this._element).off(i),a.removeData(this._element,h),this._items=null,this._config=null,this._element=null,this._interval=null,this._isPaused=null,this._isSliding=null,this._activeElement=null,this._indicatorsElement=null},j.prototype._getConfig=function(c){return c=a.extend({},o,c),f.typeCheckConfig(b,c,p),c},j.prototype._addEventListeners=function(){this._config.keyboard&&a(this._element).on(r.KEYDOWN,a.proxy(this._keydown,this)),"hover"!==this._config.pause||"ontouchstart"in document.documentElement||a(this._element).on(r.MOUSEENTER,a.proxy(this.pause,this)).on(r.MOUSELEAVE,a.proxy(this.cycle,this))},j.prototype._keydown=function(a){if(a.preventDefault(),!/input|textarea/i.test(a.target.tagName))switch(a.which){case m:this.prev();break;case n:this.next();break;default:return}},j.prototype._getItemIndex=function(b){return this._items=a.makeArray(a(b).parent().find(t.ITEM)),this._items.indexOf(b)},j.prototype._getItemByDirection=function(a,b){var c=a===q.NEXT,d=a===q.PREVIOUS,e=this._getItemIndex(b),f=this._items.length-1,g=d&&0===e||c&&e===f;if(g&&!this._config.wrap)return b;var h=a===q.PREVIOUS?-1:1,i=(e+h)%this._items.length;return i===-1?this._items[this._items.length-1]:this._items[i]},j.prototype._triggerSlideEvent=function(b,c){var d=a.Event(r.SLIDE,{relatedTarget:b,direction:c});return a(this._element).trigger(d),d},j.prototype._setActiveIndicatorElement=function(b){if(this._indicatorsElement){a(this._indicatorsElement).find(t.ACTIVE).removeClass(s.ACTIVE);var c=this._indicatorsElement.children[this._getItemIndex(b)];c&&a(c).addClass(s.ACTIVE)}},j.prototype._slide=function(b,c){var d=this,e=a(this._element).find(t.ACTIVE_ITEM)[0],g=c||e&&this._getItemByDirection(b,e),h=Boolean(this._interval),i=b===q.NEXT?s.LEFT:s.RIGHT;if(g&&a(g).hasClass(s.ACTIVE))return void(this._isSliding=!1);var j=this._triggerSlideEvent(g,i);if(!j.isDefaultPrevented()&&e&&g){this._isSliding=!0,h&&this.pause(),this._setActiveIndicatorElement(g);var k=a.Event(r.SLID,{relatedTarget:g,direction:i});f.supportsTransitionEnd()&&a(this._element).hasClass(s.SLIDE)?(a(g).addClass(b),f.reflow(g),a(e).addClass(i),a(g).addClass(i),a(e).one(f.TRANSITION_END,function(){a(g).removeClass(i).removeClass(b),a(g).addClass(s.ACTIVE),a(e).removeClass(s.ACTIVE).removeClass(b).removeClass(i),d._isSliding=!1,setTimeout(function(){return a(d._element).trigger(k)},0)}).emulateTransitionEnd(l)):(a(e).removeClass(s.ACTIVE),a(g).addClass(s.ACTIVE),this._isSliding=!1,a(this._element).trigger(k)),h&&this.cycle()}},j._jQueryInterface=function(b){return this.each(function(){var c=a(this).data(h),e=a.extend({},o,a(this).data());"object"===("undefined"==typeof b?"undefined":d(b))&&a.extend(e,b);var f="string"==typeof b?b:e.slide;if(c||(c=new j(this,e),a(this).data(h,c)),"number"==typeof b)c.to(b);else if("string"==typeof f){if(void 0===c[f])throw new Error('No method named "'+f+'"');c[f]()}else e.interval&&(c.pause(),c.cycle())})},j._dataApiClickHandler=function(b){var c=f.getSelectorFromElement(this);if(c){var d=a(c)[0];if(d&&a(d).hasClass(s.CAROUSEL)){var e=a.extend({},a(d).data(),a(this).data()),g=this.getAttribute("data-slide-to");g&&(e.interval=!1),j._jQueryInterface.call(a(d),e),g&&a(d).data(h).to(g),b.preventDefault()}}},e(j,null,[{key:"VERSION",get:function(){return g}},{key:"Default",get:function(){return o}}]),j}();return a(document).on(r.CLICK_DATA_API,t.DATA_SLIDE,u._dataApiClickHandler),a(window).on(r.LOAD_DATA_API,function(){a(t.DATA_RIDE).each(function(){var b=a(this);u._jQueryInterface.call(b,b.data())})}),a.fn[b]=u._jQueryInterface,a.fn[b].Constructor=u,a.fn[b].noConflict=function(){return a.fn[b]=k,u._jQueryInterface},u}(jQuery),function(a){var b="collapse",g="4.0.0-alpha.5",h="bs.collapse",i="."+h,j=".data-api",k=a.fn[b],l=600,m={toggle:!0,parent:""},n={toggle:"boolean",parent:"string"},o={SHOW:"show"+i,SHOWN:"shown"+i,HIDE:"hide"+i,HIDDEN:"hidden"+i,CLICK_DATA_API:"click"+i+j},p={IN:"in",COLLAPSE:"collapse",COLLAPSING:"collapsing",COLLAPSED:"collapsed"},q={WIDTH:"width",HEIGHT:"height"},r={ACTIVES:".card > .in, .card > .collapsing",DATA_TOGGLE:'[data-toggle="collapse"]'},s=function(){function i(b,d){c(this,i),this._isTransitioning=!1,this._element=b,this._config=this._getConfig(d),this._triggerArray=a.makeArray(a('[data-toggle="collapse"][href="#'+b.id+'"],'+('[data-toggle="collapse"][data-target="#'+b.id+'"]'))),this._parent=this._config.parent?this._getParent():null,this._config.parent||this._addAriaAndCollapsedClass(this._element,this._triggerArray),this._config.toggle&&this.toggle()}return i.prototype.toggle=function(){a(this._element).hasClass(p.IN)?this.hide():this.show()},i.prototype.show=function(){var b=this;if(!this._isTransitioning&&!a(this._element).hasClass(p.IN)){var c=void 0,d=void 0;if(this._parent&&(c=a.makeArray(a(r.ACTIVES)),c.length||(c=null)),!(c&&(d=a(c).data(h),d&&d._isTransitioning))){var e=a.Event(o.SHOW);if(a(this._element).trigger(e),!e.isDefaultPrevented()){c&&(i._jQueryInterface.call(a(c),"hide"),d||a(c).data(h,null));var g=this._getDimension();a(this._element).removeClass(p.COLLAPSE).addClass(p.COLLAPSING),this._element.style[g]=0,this._element.setAttribute("aria-expanded",!0),this._triggerArray.length&&a(this._triggerArray).removeClass(p.COLLAPSED).attr("aria-expanded",!0),this.setTransitioning(!0);var j=function(){a(b._element).removeClass(p.COLLAPSING).addClass(p.COLLAPSE).addClass(p.IN),b._element.style[g]="",b.setTransitioning(!1),a(b._element).trigger(o.SHOWN)};if(!f.supportsTransitionEnd())return void j();var k=g[0].toUpperCase()+g.slice(1),m="scroll"+k;a(this._element).one(f.TRANSITION_END,j).emulateTransitionEnd(l),this._element.style[g]=this._element[m]+"px"}}}},i.prototype.hide=function(){var b=this;if(!this._isTransitioning&&a(this._element).hasClass(p.IN)){var c=a.Event(o.HIDE);if(a(this._element).trigger(c),!c.isDefaultPrevented()){var d=this._getDimension(),e=d===q.WIDTH?"offsetWidth":"offsetHeight";this._element.style[d]=this._element[e]+"px",f.reflow(this._element),a(this._element).addClass(p.COLLAPSING).removeClass(p.COLLAPSE).removeClass(p.IN),this._element.setAttribute("aria-expanded",!1),this._triggerArray.length&&a(this._triggerArray).addClass(p.COLLAPSED).attr("aria-expanded",!1),this.setTransitioning(!0);var g=function(){b.setTransitioning(!1),a(b._element).removeClass(p.COLLAPSING).addClass(p.COLLAPSE).trigger(o.HIDDEN)};return this._element.style[d]="",f.supportsTransitionEnd()?void a(this._element).one(f.TRANSITION_END,g).emulateTransitionEnd(l):void 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c?a(c)[0]:null},i._jQueryInterface=function(b){return this.each(function(){var c=a(this),e=c.data(h),f=a.extend({},m,c.data(),"object"===("undefined"==typeof b?"undefined":d(b))&&b);if(!e&&f.toggle&&/show|hide/.test(b)&&(f.toggle=!1),e||(e=new i(this,f),c.data(h,e)),"string"==typeof b){if(void 0===e[b])throw new Error('No method named "'+b+'"');e[b]()}})},e(i,null,[{key:"VERSION",get:function(){return g}},{key:"Default",get:function(){return m}}]),i}();return a(document).on(o.CLICK_DATA_API,r.DATA_TOGGLE,function(b){b.preventDefault();var c=s._getTargetFromElement(this),d=a(c).data(h),e=d?"toggle":a(this).data();s._jQueryInterface.call(a(c),e)}),a.fn[b]=s._jQueryInterface,a.fn[b].Constructor=s,a.fn[b].noConflict=function(){return a.fn[b]=k,s._jQueryInterface},s}(jQuery),function(a){var b="dropdown",d="4.0.0-alpha.5",g="bs.dropdown",h="."+g,i=".data-api",j=a.fn[b],k=27,l=38,m=40,n=3,o={HIDE:"hide"+h,HIDDEN:"hidden"+h,SHOW:"show"+h,SHOWN:"shown"+h,CLICK:"click"+h,CLICK_DATA_API:"click"+h+i,KEYDOWN_DATA_API:"keydown"+h+i},p={BACKDROP:"dropdown-backdrop",DISABLED:"disabled",OPEN:"open"},q={BACKDROP:".dropdown-backdrop",DATA_TOGGLE:'[data-toggle="dropdown"]',FORM_CHILD:".dropdown form",ROLE_MENU:'[role="menu"]',ROLE_LISTBOX:'[role="listbox"]',NAVBAR_NAV:".navbar-nav",VISIBLE_ITEMS:'[role="menu"] li:not(.disabled) a, [role="listbox"] li:not(.disabled) a'},r=function(){function b(a){c(this,b),this._element=a,this._addEventListeners()}return b.prototype.toggle=function(){if(this.disabled||a(this).hasClass(p.DISABLED))return!1;var c=b._getParentFromElement(this),d=a(c).hasClass(p.OPEN);if(b._clearMenus(),d)return!1;if("ontouchstart"in document.documentElement&&!a(c).closest(q.NAVBAR_NAV).length){var e=document.createElement("div");e.className=p.BACKDROP,a(e).insertBefore(this),a(e).on("click",b._clearMenus)}var f={relatedTarget:this},g=a.Event(o.SHOW,f);return a(c).trigger(g),!g.isDefaultPrevented()&&(this.focus(),this.setAttribute("aria-expanded","true"),a(c).toggleClass(p.OPEN),a(c).trigger(a.Event(o.SHOWN,f)),!1)},b.prototype.dispose=function(){a.removeData(this._element,g),a(this._element).off(h),this._element=null},b.prototype._addEventListeners=function(){a(this._element).on(o.CLICK,this.toggle)},b._jQueryInterface=function(c){return this.each(function(){var d=a(this).data(g);if(d||a(this).data(g,d=new b(this)),"string"==typeof c){if(void 0===d[c])throw new Error('No method named "'+c+'"');d[c].call(this)}})},b._clearMenus=function(c){if(!c||c.which!==n){var d=a(q.BACKDROP)[0];d&&d.parentNode.removeChild(d);for(var e=a.makeArray(a(q.DATA_TOGGLE)),f=0;f<e.length;f++){var g=b._getParentFromElement(e[f]),h={relatedTarget:e[f]};if(a(g).hasClass(p.OPEN)&&!(c&&"click"===c.type&&/input|textarea/i.test(c.target.tagName)&&a.contains(g,c.target))){var i=a.Event(o.HIDE,h);a(g).trigger(i),i.isDefaultPrevented()||(e[f].setAttribute("aria-expanded","false"),a(g).removeClass(p.OPEN).trigger(a.Event(o.HIDDEN,h)))}}}},b._getParentFromElement=function(b){var c=void 0,d=f.getSelectorFromElement(b);return d&&(c=a(d)[0]),c||b.parentNode},b._dataApiKeydownHandler=function(c){if(/(38|40|27|32)/.test(c.which)&&!/input|textarea/i.test(c.target.tagName)&&(c.preventDefault(),c.stopPropagation(),!this.disabled&&!a(this).hasClass(p.DISABLED))){var d=b._getParentFromElement(this),e=a(d).hasClass(p.OPEN);if(!e&&c.which!==k||e&&c.which===k){if(c.which===k){var f=a(d).find(q.DATA_TOGGLE)[0];a(f).trigger("focus")}return void a(this).trigger("click")}var g=a.makeArray(a(q.VISIBLE_ITEMS));if(g=g.filter(function(a){return a.offsetWidth||a.offsetHeight}),g.length){var 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b="modal",g="4.0.0-alpha.5",h="bs.modal",i="."+h,j=".data-api",k=a.fn[b],l=300,m=150,n=27,o={backdrop:!0,keyboard:!0,focus:!0,show:!0},p={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},q={HIDE:"hide"+i,HIDDEN:"hidden"+i,SHOW:"show"+i,SHOWN:"shown"+i,FOCUSIN:"focusin"+i,RESIZE:"resize"+i,CLICK_DISMISS:"click.dismiss"+i,KEYDOWN_DISMISS:"keydown.dismiss"+i,MOUSEUP_DISMISS:"mouseup.dismiss"+i,MOUSEDOWN_DISMISS:"mousedown.dismiss"+i,CLICK_DATA_API:"click"+i+j},r={SCROLLBAR_MEASURER:"modal-scrollbar-measure",BACKDROP:"modal-backdrop",OPEN:"modal-open",FADE:"fade",IN:"in"},s={DIALOG:".modal-dialog",DATA_TOGGLE:'[data-toggle="modal"]',DATA_DISMISS:'[data-dismiss="modal"]',FIXED_CONTENT:".navbar-fixed-top, .navbar-fixed-bottom, .is-fixed"},t=function(){function 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c=a.Event(q.HIDE);a(this._element).trigger(c),this._isShown&&!c.isDefaultPrevented()&&(this._isShown=!1,this._setEscapeEvent(),this._setResizeEvent(),a(document).off(q.FOCUSIN),a(this._element).removeClass(r.IN),a(this._element).off(q.CLICK_DISMISS),a(this._dialog).off(q.MOUSEDOWN_DISMISS),f.supportsTransitionEnd()&&a(this._element).hasClass(r.FADE)?a(this._element).one(f.TRANSITION_END,a.proxy(this._hideModal,this)).emulateTransitionEnd(l):this._hideModal())},j.prototype.dispose=function(){a.removeData(this._element,h),a(window).off(i),a(document).off(i),a(this._element).off(i),a(this._backdrop).off(i),this._config=null,this._element=null,this._dialog=null,this._backdrop=null,this._isShown=null,this._isBodyOverflowing=null,this._ignoreBackdropClick=null,this._originalBodyPadding=null,this._scrollbarWidth=null},j.prototype._getConfig=function(c){return c=a.extend({},o,c),f.typeCheckConfig(b,c,p),c},j.prototype._showElement=function(b){var c=this,d=f.supportsTransitionEnd()&&a(this._element).hasClass(r.FADE);this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE||document.body.appendChild(this._element),this._element.style.display="block",this._element.removeAttribute("aria-hidden"),this._element.scrollTop=0,d&&f.reflow(this._element),a(this._element).addClass(r.IN),this._config.focus&&this._enforceFocus();var e=a.Event(q.SHOWN,{relatedTarget:b}),g=function(){c._config.focus&&c._element.focus(),a(c._element).trigger(e)};d?a(this._dialog).one(f.TRANSITION_END,g).emulateTransitionEnd(l):g()},j.prototype._enforceFocus=function(){var b=this;a(document).off(q.FOCUSIN).on(q.FOCUSIN,function(c){document===c.target||b._element===c.target||a(b._element).has(c.target).length||b._element.focus()})},j.prototype._setEscapeEvent=function(){var 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a=this._element.scrollHeight>document.documentElement.clientHeight;!this._isBodyOverflowing&&a&&(this._element.style.paddingLeft=this._scrollbarWidth+"px"),this._isBodyOverflowing&&!a&&(this._element.style.paddingRight=this._scrollbarWidth+"px")},j.prototype._resetAdjustments=function(){this._element.style.paddingLeft="",this._element.style.paddingRight=""},j.prototype._checkScrollbar=function(){this._isBodyOverflowing=document.body.clientWidth<window.innerWidth,this._scrollbarWidth=this._getScrollbarWidth()},j.prototype._setScrollbar=function(){var b=parseInt(a(s.FIXED_CONTENT).css("padding-right")||0,10);this._originalBodyPadding=document.body.style.paddingRight||"",this._isBodyOverflowing&&(document.body.style.paddingRight=b+this._scrollbarWidth+"px")},j.prototype._resetScrollbar=function(){document.body.style.paddingRight=this._originalBodyPadding},j.prototype._getScrollbarWidth=function(){var a=document.createElement("div");a.className=r.SCROLLBAR_MEASURER,document.body.appendChild(a);var b=a.offsetWidth-a.clientWidth;return document.body.removeChild(a),b},j._jQueryInterface=function(b,c){return this.each(function(){var e=a(this).data(h),f=a.extend({},j.Default,a(this).data(),"object"===("undefined"==typeof b?"undefined":d(b))&&b);if(e||(e=new j(this,f),a(this).data(h,e)),"string"==typeof b){if(void 0===e[b])throw new Error('No method named "'+b+'"');e[b](c)}else f.show&&e.show(c)})},e(j,null,[{key:"VERSION",get:function(){return g}},{key:"Default",get:function(){return o}}]),j}();return a(document).on(q.CLICK_DATA_API,s.DATA_TOGGLE,function(b){var c=this,d=void 0,e=f.getSelectorFromElement(this);e&&(d=a(e)[0]);var g=a(d).data(h)?"toggle":a.extend({},a(d).data(),a(this).data());"A"===this.tagName&&b.preventDefault();var i=a(d).one(q.SHOW,function(b){b.isDefaultPrevented()||i.one(q.HIDDEN,function(){a(c).is(":visible")&&c.focus()})});t._jQueryInterface.call(a(d),g,this)}),a.fn[b]=t._jQueryInterface,a.fn[b].Constructor=t,a.fn[b].noConflict=function(){return a.fn[b]=k,t._jQueryInterface},t}(jQuery),function(a){var b="scrollspy",g="4.0.0-alpha.5",h="bs.scrollspy",i="."+h,j=".data-api",k=a.fn[b],l={offset:10,method:"auto",target:""},m={offset:"number",method:"string",target:"(string|element)"},n={ACTIVATE:"activate"+i,SCROLL:"scroll"+i,LOAD_DATA_API:"load"+i+j},o={DROPDOWN_ITEM:"dropdown-item",DROPDOWN_MENU:"dropdown-menu",NAV_LINK:"nav-link",NAV:"nav",ACTIVE:"active"},p={DATA_SPY:'[data-spy="scroll"]',ACTIVE:".active",LIST_ITEM:".list-item",LI:"li",LI_DROPDOWN:"li.dropdown",NAV_LINKS:".nav-link",DROPDOWN:".dropdown",DROPDOWN_ITEMS:".dropdown-item",DROPDOWN_TOGGLE:".dropdown-toggle"},q={OFFSET:"offset",POSITION:"position"},r=function(){function j(b,d){c(this,j),this._element=b,this._scrollElement="BODY"===b.tagName?window:b,this._config=this._getConfig(d),this._selector=this._config.target+" "+p.NAV_LINKS+","+(this._config.target+" "+p.DROPDOWN_ITEMS),this._offsets=[],this._targets=[],this._activeTarget=null,this._scrollHeight=0,a(this._scrollElement).on(n.SCROLL,a.proxy(this._process,this)),this.refresh(),this._process()}return j.prototype.refresh=function(){var b=this,c=this._scrollElement!==this._scrollElement.window?q.POSITION:q.OFFSET,d="auto"===this._config.method?c:this._config.method,e=d===q.POSITION?this._getScrollTop():0;this._offsets=[],this._targets=[],this._scrollHeight=this._getScrollHeight();var g=a.makeArray(a(this._selector));g.map(function(b){var c=void 0,g=f.getSelectorFromElement(b);return g&&(c=a(g)[0]),c&&(c.offsetWidth||c.offsetHeight)?[a(c)[d]().top+e,g]:null}).filter(function(a){return a}).sort(function(a,b){return 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a=this._getScrollTop()+this._config.offset,b=this._getScrollHeight(),c=this._config.offset+b-this._scrollElement.offsetHeight;if(this._scrollHeight!==b&&this.refresh(),a>=c){var d=this._targets[this._targets.length-1];this._activeTarget!==d&&this._activate(d)}if(this._activeTarget&&a<this._offsets[0])return this._activeTarget=null,void this._clear();for(var e=this._offsets.length;e--;){var f=this._activeTarget!==this._targets[e]&&a>=this._offsets[e]&&(void 0===this._offsets[e+1]||a<this._offsets[e+1]);f&&this._activate(this._targets[e])}},j.prototype._activate=function(b){this._activeTarget=b,this._clear();var c=this._selector.split(",");c=c.map(function(a){return a+'[data-target="'+b+'"],'+(a+'[href="'+b+'"]')});var d=a(c.join(","));d.hasClass(o.DROPDOWN_ITEM)?(d.closest(p.DROPDOWN).find(p.DROPDOWN_TOGGLE).addClass(o.ACTIVE),d.addClass(o.ACTIVE)):d.parents(p.LI).find(p.NAV_LINKS).addClass(o.ACTIVE),a(this._scrollElement).trigger(n.ACTIVATE,{relatedTarget:b})},j.prototype._clear=function(){a(this._selector).filter(p.ACTIVE).removeClass(o.ACTIVE)},j._jQueryInterface=function(b){return this.each(function(){var c=a(this).data(h),e="object"===("undefined"==typeof b?"undefined":d(b))&&b||null;if(c||(c=new j(this,e),a(this).data(h,c)),"string"==typeof b){if(void 0===c[b])throw new Error('No method named "'+b+'"');c[b]()}})},e(j,null,[{key:"VERSION",get:function(){return g}},{key:"Default",get:function(){return l}}]),j}();return a(window).on(n.LOAD_DATA_API,function(){for(var b=a.makeArray(a(p.DATA_SPY)),c=b.length;c--;){var d=a(b[c]);r._jQueryInterface.call(d,d.data())}}),a.fn[b]=r._jQueryInterface,a.fn[b].Constructor=r,a.fn[b].noConflict=function(){return a.fn[b]=k,r._jQueryInterface},r}(jQuery),function(a){var b="tab",d="4.0.0-alpha.5",g="bs.tab",h="."+g,i=".data-api",j=a.fn[b],k=150,l={HIDE:"hide"+h,HIDDEN:"hidden"+h,SHOW:"show"+h,SHOWN:"shown"+h,CLICK_DATA_API:"click"+h+i},m={DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active",FADE:"fade",IN:"in"},n={A:"a",LI:"li",DROPDOWN:".dropdown",UL:"ul:not(.dropdown-menu)",FADE_CHILD:"> .nav-item .fade, > .fade",ACTIVE:".active",ACTIVE_CHILD:"> .nav-item > .active, > .active",DATA_TOGGLE:'[data-toggle="tab"], [data-toggle="pill"]',
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e?e:o.slide;if(n||(n=new h(this,o),t(this).data(a,n)),"number"==typeof e)n.to(e);else if("string"==typeof r){if(void 0===n[r])throw new Error('No method named "'+r+'"');n[r]()}else o.interval&&(n.pause(),n.cycle())})},h._dataApiClickHandler=function(e){var n=r.getSelectorFromElement(this);if(n){var i=t(n)[0];if(i&&t(i).hasClass(E.CAROUSEL)){var o=t.extend({},t(i).data(),t(this).data()),s=this.getAttribute("data-slide-to");s&&(o.interval=!1),h._jQueryInterface.call(t(i),o),s&&t(i).data(a).to(s),e.preventDefault()}}},o(h,null,[{key:"VERSION",get:function(){return s}},{key:"Default",get:function(){return _}}]),h}();return t(document).on(m.CLICK_DATA_API,v.DATA_SLIDE,T._dataApiClickHandler),t(window).on(m.LOAD_DATA_API,function(){t(v.DATA_RIDE).each(function(){var e=t(this);T._jQueryInterface.call(e,e.data())})}),t.fn[e]=T._jQueryInterface,t.fn[e].Constructor=T,t.fn[e].noConflict=function(){return t.fn[e]=c,T._jQueryInterface},T}(jQuery),function(t){var e="collapse",s="4.0.0-alpha.6",a="bs.collapse",l="."+a,h=".data-api",c=t.fn[e],u=600,d={toggle:!0,parent:""},f={toggle:"boolean",parent:"string"},_={SHOW:"show"+l,SHOWN:"shown"+l,HIDE:"hide"+l,HIDDEN:"hidden"+l,CLICK_DATA_API:"click"+l+h},g={SHOW:"show",COLLAPSE:"collapse",COLLAPSING:"collapsing",COLLAPSED:"collapsed"},p={WIDTH:"width",HEIGHT:"height"},m={ACTIVES:".card > .show, .card > .collapsing",DATA_TOGGLE:'[data-toggle="collapse"]'},E=function(){function l(e,i){n(this,l),this._isTransitioning=!1,this._element=e,this._config=this._getConfig(i),this._triggerArray=t.makeArray(t('[data-toggle="collapse"][href="#'+e.id+'"],'+('[data-toggle="collapse"][data-target="#'+e.id+'"]'))),this._parent=this._config.parent?this._getParent():null,this._config.parent||this._addAriaAndCollapsedClass(this._element,this._triggerArray),this._config.toggle&&this.toggle()}return l.prototype.toggle=function(){t(this._element).hasClass(g.SHOW)?this.hide():this.show()},l.prototype.show=function(){var e=this;if(this._isTransitioning)throw new Error("Collapse is transitioning");if(!t(this._element).hasClass(g.SHOW)){var n=void 0,i=void 0;if(this._parent&&(n=t.makeArray(t(this._parent).find(m.ACTIVES)),n.length||(n=null)),!(n&&(i=t(n).data(a),i&&i._isTransitioning))){var o=t.Event(_.SHOW);if(t(this._element).trigger(o),!o.isDefaultPrevented()){n&&(l._jQueryInterface.call(t(n),"hide"),i||t(n).data(a,null));var s=this._getDimension();t(this._element).removeClass(g.COLLAPSE).addClass(g.COLLAPSING),this._element.style[s]=0,this._element.setAttribute("aria-expanded",!0),this._triggerArray.length&&t(this._triggerArray).removeClass(g.COLLAPSED).attr("aria-expanded",!0),this.setTransitioning(!0);var h=function(){t(e._element).removeClass(g.COLLAPSING).addClass(g.COLLAPSE).addClass(g.SHOW),e._element.style[s]="",e.setTransitioning(!1),t(e._element).trigger(_.SHOWN)};if(!r.supportsTransitionEnd())return void h();var c=s[0].toUpperCase()+s.slice(1),d="scroll"+c;t(this._element).one(r.TRANSITION_END,h).emulateTransitionEnd(u),this._element.style[s]=this._element[d]+"px"}}}},l.prototype.hide=function(){var e=this;if(this._isTransitioning)throw new Error("Collapse is transitioning");if(t(this._element).hasClass(g.SHOW)){var n=t.Event(_.HIDE);if(t(this._element).trigger(n),!n.isDefaultPrevented()){var i=this._getDimension(),o=i===p.WIDTH?"offsetWidth":"offsetHeight";this._element.style[i]=this._element[o]+"px",r.reflow(this._element),t(this._element).addClass(g.COLLAPSING).removeClass(g.COLLAPSE).removeClass(g.SHOW),this._element.setAttribute("aria-expanded",!1),this._triggerArray.length&&t(this._triggerArray).addClass(g.COLLAPSED).attr("aria-expanded",!1),this.setTransitioning(!0);var s=function(){e.setTransitioning(!1),t(e._element).removeClass(g.COLLAPSING).addClass(g.COLLAPSE).trigger(_.HIDDEN)};return this._element.style[i]="",r.supportsTransitionEnd()?void t(this._element).one(r.TRANSITION_END,s).emulateTransitionEnd(u):void s()}}},l.prototype.setTransitioning=function(t){this._isTransitioning=t},l.prototype.dispose=function(){t.removeData(this._element,a),this._config=null,this._parent=null,this._element=null,this._triggerArray=null,this._isTransitioning=null},l.prototype._getConfig=function(n){return n=t.extend({},d,n),n.toggle=Boolean(n.toggle),r.typeCheckConfig(e,n,f),n},l.prototype._getDimension=function(){var e=t(this._element).hasClass(p.WIDTH);return e?p.WIDTH:p.HEIGHT},l.prototype._getParent=function(){var e=this,n=t(this._config.parent)[0],i='[data-toggle="collapse"][data-parent="'+this._config.parent+'"]';return t(n).find(i).each(function(t,n){e._addAriaAndCollapsedClass(l._getTargetFromElement(n),[n])}),n},l.prototype._addAriaAndCollapsedClass=function(e,n){if(e){var 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e="dropdown",i="4.0.0-alpha.6",s="bs.dropdown",a="."+s,l=".data-api",h=t.fn[e],c=27,u=38,d=40,f=3,_={HIDE:"hide"+a,HIDDEN:"hidden"+a,SHOW:"show"+a,SHOWN:"shown"+a,CLICK:"click"+a,CLICK_DATA_API:"click"+a+l,FOCUSIN_DATA_API:"focusin"+a+l,KEYDOWN_DATA_API:"keydown"+a+l},g={BACKDROP:"dropdown-backdrop",DISABLED:"disabled",SHOW:"show"},p={BACKDROP:".dropdown-backdrop",DATA_TOGGLE:'[data-toggle="dropdown"]',FORM_CHILD:".dropdown form",ROLE_MENU:'[role="menu"]',ROLE_LISTBOX:'[role="listbox"]',NAVBAR_NAV:".navbar-nav",VISIBLE_ITEMS:'[role="menu"] li:not(.disabled) a, [role="listbox"] li:not(.disabled) a'},m=function(){function e(t){n(this,e),this._element=t,this._addEventListeners()}return e.prototype.toggle=function(){if(this.disabled||t(this).hasClass(g.DISABLED))return!1;var n=e._getParentFromElement(this),i=t(n).hasClass(g.SHOW);if(e._clearMenus(),i)return!1;if("ontouchstart"in document.documentElement&&!t(n).closest(p.NAVBAR_NAV).length){var o=document.createElement("div");o.className=g.BACKDROP,t(o).insertBefore(this),t(o).on("click",e._clearMenus)}var r={relatedTarget:this},s=t.Event(_.SHOW,r);return t(n).trigger(s),!s.isDefaultPrevented()&&(this.focus(),this.setAttribute("aria-expanded",!0),t(n).toggleClass(g.SHOW),t(n).trigger(t.Event(_.SHOWN,r)),!1)},e.prototype.dispose=function(){t.removeData(this._element,s),t(this._element).off(a),this._element=null},e.prototype._addEventListeners=function(){t(this._element).on(_.CLICK,this.toggle)},e._jQueryInterface=function(n){return this.each(function(){var i=t(this).data(s);if(i||(i=new e(this),t(this).data(s,i)),"string"==typeof n){if(void 0===i[n])throw new Error('No method named "'+n+'"');i[n].call(this)}})},e._clearMenus=function(n){if(!n||n.which!==f){var i=t(p.BACKDROP)[0];i&&i.parentNode.removeChild(i);for(var o=t.makeArray(t(p.DATA_TOGGLE)),r=0;r<o.length;r++){var s=e._getParentFromElement(o[r]),a={relatedTarget:o[r]};if(t(s).hasClass(g.SHOW)&&!(n&&("click"===n.type&&/input|textarea/i.test(n.target.tagName)||"focusin"===n.type)&&t.contains(s,n.target))){var l=t.Event(_.HIDE,a);t(s).trigger(l),l.isDefaultPrevented()||(o[r].setAttribute("aria-expanded","false"),t(s).removeClass(g.SHOW).trigger(t.Event(_.HIDDEN,a)))}}}},e._getParentFromElement=function(e){var n=void 0,i=r.getSelectorFromElement(e);return i&&(n=t(i)[0]),n||e.parentNode},e._dataApiKeydownHandler=function(n){if(/(38|40|27|32)/.test(n.which)&&!/input|textarea/i.test(n.target.tagName)&&(n.preventDefault(),n.stopPropagation(),!this.disabled&&!t(this).hasClass(g.DISABLED))){var i=e._getParentFromElement(this),o=t(i).hasClass(g.SHOW);if(!o&&n.which!==c||o&&n.which===c){if(n.which===c){var r=t(i).find(p.DATA_TOGGLE)[0];t(r).trigger("focus")}return void t(this).trigger("click")}var s=t(i).find(p.VISIBLE_ITEMS).get();if(s.length){var a=s.indexOf(n.target);n.which===u&&a>0&&a--,n.which===d&&a<s.length-1&&a++,a<0&&(a=0),s[a].focus()}}},o(e,null,[{key:"VERSION",get:function(){return i}}]),e}();return t(document).on(_.KEYDOWN_DATA_API,p.DATA_TOGGLE,m._dataApiKeydownHandler).on(_.KEYDOWN_DATA_API,p.ROLE_MENU,m._dataApiKeydownHandler).on(_.KEYDOWN_DATA_API,p.ROLE_LISTBOX,m._dataApiKeydownHandler).on(_.CLICK_DATA_API+" "+_.FOCUSIN_DATA_API,m._clearMenus).on(_.CLICK_DATA_API,p.DATA_TOGGLE,m.prototype.toggle).on(_.CLICK_DATA_API,p.FORM_CHILD,function(t){t.stopPropagation()}),t.fn[e]=m._jQueryInterface,t.fn[e].Constructor=m,t.fn[e].noConflict=function(){return t.fn[e]=h,m._jQueryInterface},m}(jQuery),function(t){var e="modal",s="4.0.0-alpha.6",a="bs.modal",l="."+a,h=".data-api",c=t.fn[e],u=300,d=150,f=27,_={backdrop:!0,keyboard:!0,focus:!0,show:!0},g={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},p={HIDE:"hide"+l,HIDDEN:"hidden"+l,SHOW:"show"+l,SHOWN:"shown"+l,FOCUSIN:"focusin"+l,RESIZE:"resize"+l,CLICK_DISMISS:"click.dismiss"+l,KEYDOWN_DISMISS:"keydown.dismiss"+l,MOUSEUP_DISMISS:"mouseup.dismiss"+l,MOUSEDOWN_DISMISS:"mousedown.dismiss"+l,CLICK_DATA_API:"click"+l+h},m={SCROLLBAR_MEASURER:"modal-scrollbar-measure",BACKDROP:"modal-backdrop",OPEN:"modal-open",FADE:"fade",SHOW:"show"},E={DIALOG:".modal-dialog",DATA_TOGGLE:'[data-toggle="modal"]',DATA_DISMISS:'[data-dismiss="modal"]',FIXED_CONTENT:".fixed-top, .fixed-bottom, .is-fixed, .sticky-top"},v=function(){function h(e,i){n(this,h),this._config=this._getConfig(i),this._element=e,this._dialog=t(e).find(E.DIALOG)[0],this._backdrop=null,this._isShown=!1,this._isBodyOverflowing=!1,this._ignoreBackdropClick=!1,this._isTransitioning=!1,this._originalBodyPadding=0,this._scrollbarWidth=0}return h.prototype.toggle=function(t){return this._isShown?this.hide():this.show(t)},h.prototype.show=function(e){var n=this;if(this._isTransitioning)throw new Error("Modal is transitioning");r.supportsTransitionEnd()&&t(this._element).hasClass(m.FADE)&&(this._isTransitioning=!0);var i=t.Event(p.SHOW,{relatedTarget:e});t(this._element).trigger(i),this._isShown||i.isDefaultPrevented()||(this._isShown=!0,this._checkScrollbar(),this._setScrollbar(),t(document.body).addClass(m.OPEN),this._setEscapeEvent(),this._setResizeEvent(),t(this._element).on(p.CLICK_DISMISS,E.DATA_DISMISS,function(t){return n.hide(t)}),t(this._dialog).on(p.MOUSEDOWN_DISMISS,function(){t(n._element).one(p.MOUSEUP_DISMISS,function(e){t(e.target).is(n._element)&&(n._ignoreBackdropClick=!0)})}),this._showBackdrop(function(){return n._showElement(e)}))},h.prototype.hide=function(e){var n=this;if(e&&e.preventDefault(),this._isTransitioning)throw new Error("Modal is transitioning");var i=r.supportsTransitionEnd()&&t(this._element).hasClass(m.FADE);i&&(this._isTransitioning=!0);var o=t.Event(p.HIDE);t(this._element).trigger(o),this._isShown&&!o.isDefaultPrevented()&&(this._isShown=!1,this._setEscapeEvent(),this._setResizeEvent(),t(document).off(p.FOCUSIN),t(this._element).removeClass(m.SHOW),t(this._element).off(p.CLICK_DISMISS),t(this._dialog).off(p.MOUSEDOWN_DISMISS),i?t(this._element).one(r.TRANSITION_END,function(t){return n._hideModal(t)}).emulateTransitionEnd(u):this._hideModal())},h.prototype.dispose=function(){t.removeData(this._element,a),t(window,document,this._element,this._backdrop).off(l),this._config=null,this._element=null,this._dialog=null,this._backdrop=null,this._isShown=null,this._isBodyOverflowing=null,this._ignoreBackdropClick=null,this._originalBodyPadding=null,this._scrollbarWidth=null},h.prototype._getConfig=function(n){return n=t.extend({},_,n),r.typeCheckConfig(e,n,g),n},h.prototype._showElement=function(e){var n=this,i=r.supportsTransitionEnd()&&t(this._element).hasClass(m.FADE);this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE||document.body.appendChild(this._element),this._element.style.display="block",this._element.removeAttribute("aria-hidden"),this._element.scrollTop=0,i&&r.reflow(this._element),t(this._element).addClass(m.SHOW),this._config.focus&&this._enforceFocus();var o=t.Event(p.SHOWN,{relatedTarget:e}),s=function(){n._config.focus&&n._element.focus(),n._isTransitioning=!1,t(n._element).trigger(o)};i?t(this._dialog).one(r.TRANSITION_END,s).emulateTransitionEnd(u):s()},h.prototype._enforceFocus=function(){var e=this;t(document).off(p.FOCUSIN).on(p.FOCUSIN,function(n){document===n.target||e._element===n.target||t(e._element).has(n.target).length||e._element.focus()})},h.prototype._setEscapeEvent=function(){var e=this;this._isShown&&this._config.keyboard?t(this._element).on(p.KEYDOWN_DISMISS,function(t){t.which===f&&e.hide()}):this._isShown||t(this._element).off(p.KEYDOWN_DISMISS)},h.prototype._setResizeEvent=function(){var e=this;this._isShown?t(window).on(p.RESIZE,function(t){return e._handleUpdate(t)}):t(window).off(p.RESIZE)},h.prototype._hideModal=function(){var e=this;this._element.style.display="none",this._element.setAttribute("aria-hidden","true"),this._isTransitioning=!1,this._showBackdrop(function(){t(document.body).removeClass(m.OPEN),e._resetAdjustments(),e._resetScrollbar(),t(e._element).trigger(p.HIDDEN)})},h.prototype._removeBackdrop=function(){this._backdrop&&(t(this._backdrop).remove(),this._backdrop=null)},h.prototype._showBackdrop=function(e){var n=this,i=t(this._element).hasClass(m.FADE)?m.FADE:"";if(this._isShown&&this._config.backdrop){var o=r.supportsTransitionEnd()&&i;if(this._backdrop=document.createElement("div"),this._backdrop.className=m.BACKDROP,i&&t(this._backdrop).addClass(i),t(this._backdrop).appendTo(document.body),t(this._element).on(p.CLICK_DISMISS,function(t){return n._ignoreBackdropClick?void(n._ignoreBackdropClick=!1):void(t.target===t.currentTarget&&("static"===n._config.backdrop?n._element.focus():n.hide()))}),o&&r.reflow(this._backdrop),t(this._backdrop).addClass(m.SHOW),!e)return;if(!o)return void e();t(this._backdrop).one(r.TRANSITION_END,e).emulateTransitionEnd(d)}else if(!this._isShown&&this._backdrop){t(this._backdrop).removeClass(m.SHOW);var s=function(){n._removeBackdrop(),e&&e()};r.supportsTransitionEnd()&&t(this._element).hasClass(m.FADE)?t(this._backdrop).one(r.TRANSITION_END,s).emulateTransitionEnd(d):s()}else e&&e()},h.prototype._handleUpdate=function(){this._adjustDialog()},h.prototype._adjustDialog=function(){var t=this._element.scrollHeight>document.documentElement.clientHeight;!this._isBodyOverflowing&&t&&(this._element.style.paddingLeft=this._scrollbarWidth+"px"),this._isBodyOverflowing&&!t&&(this._element.style.paddingRight=this._scrollbarWidth+"px")},h.prototype._resetAdjustments=function(){this._element.style.paddingLeft="",this._element.style.paddingRight=""},h.prototype._checkScrollbar=function(){this._isBodyOverflowing=document.body.clientWidth<window.innerWidth,this._scrollbarWidth=this._getScrollbarWidth()},h.prototype._setScrollbar=function(){var e=parseInt(t(E.FIXED_CONTENT).css("padding-right")||0,10);this._originalBodyPadding=document.body.style.paddingRight||"",this._isBodyOverflowing&&(document.body.style.paddingRight=e+this._scrollbarWidth+"px")},h.prototype._resetScrollbar=function(){document.body.style.paddingRight=this._originalBodyPadding},h.prototype._getScrollbarWidth=function(){var t=document.createElement("div");t.className=m.SCROLLBAR_MEASURER,document.body.appendChild(t);var e=t.offsetWidth-t.clientWidth;return document.body.removeChild(t),e},h._jQueryInterface=function(e,n){return this.each(function(){var o=t(this).data(a),r=t.extend({},h.Default,t(this).data(),"object"===("undefined"==typeof e?"undefined":i(e))&&e);if(o||(o=new h(this,r),t(this).data(a,o)),"string"==typeof e){if(void 0===o[e])throw new Error('No method named "'+e+'"');o[e](n)}else r.show&&o.show(n)})},o(h,null,[{key:"VERSION",get:function(){return s}},{key:"Default",get:function(){return _}}]),h}();return t(document).on(p.CLICK_DATA_API,E.DATA_TOGGLE,function(e){var n=this,i=void 0,o=r.getSelectorFromElement(this);o&&(i=t(o)[0]);var s=t(i).data(a)?"toggle":t.extend({},t(i).data(),t(this).data());"A"!==this.tagName&&"AREA"!==this.tagName||e.preventDefault();var l=t(i).one(p.SHOW,function(e){e.isDefaultPrevented()||l.one(p.HIDDEN,function(){t(n).is(":visible")&&n.focus()})});v._jQueryInterface.call(t(i),s,this)}),t.fn[e]=v._jQueryInterface,t.fn[e].Constructor=v,t.fn[e].noConflict=function(){return t.fn[e]=c,v._jQueryInterface},v}(jQuery),function(t){var e="scrollspy",s="4.0.0-alpha.6",a="bs.scrollspy",l="."+a,h=".data-api",c=t.fn[e],u={offset:10,method:"auto",target:""},d={offset:"number",method:"string",target:"(string|element)"},f={ACTIVATE:"activate"+l,SCROLL:"scroll"+l,LOAD_DATA_API:"load"+l+h},_={DROPDOWN_ITEM:"dropdown-item",DROPDOWN_MENU:"dropdown-menu",NAV_LINK:"nav-link",NAV:"nav",ACTIVE:"active"},g={DATA_SPY:'[data-spy="scroll"]',ACTIVE:".active",LIST_ITEM:".list-item",LI:"li",LI_DROPDOWN:"li.dropdown",NAV_LINKS:".nav-link",DROPDOWN:".dropdown",DROPDOWN_ITEMS:".dropdown-item",DROPDOWN_TOGGLE:".dropdown-toggle"},p={OFFSET:"offset",POSITION:"position"},m=function(){function h(e,i){var o=this;n(this,h),this._element=e,this._scrollElement="BODY"===e.tagName?window:e,this._config=this._getConfig(i),this._selector=this._config.target+" "+g.NAV_LINKS+","+(this._config.target+" "+g.DROPDOWN_ITEMS),this._offsets=[],this._targets=[],this._activeTarget=null,this._scrollHeight=0,t(this._scrollElement).on(f.SCROLL,function(t){return o._process(t)}),this.refresh(),this._process()}return h.prototype.refresh=function(){var e=this,n=this._scrollElement!==this._scrollElement.window?p.POSITION:p.OFFSET,i="auto"===this._config.method?n:this._config.method,o=i===p.POSITION?this._getScrollTop():0;this._offsets=[],this._targets=[],this._scrollHeight=this._getScrollHeight();var s=t.makeArray(t(this._selector));s.map(function(e){var n=void 0,s=r.getSelectorFromElement(e);return s&&(n=t(s)[0]),n&&(n.offsetWidth||n.offsetHeight)?[t(n)[i]().top+o,s]:null}).filter(function(t){return t}).sort(function(t,e){return t[0]-e[0]}).forEach(function(t){e._offsets.push(t[0]),e._targets.push(t[1])})},h.prototype.dispose=function(){t.removeData(this._element,a),t(this._scrollElement).off(l),this._element=null,this._scrollElement=null,this._config=null,this._selector=null,this._offsets=null,this._targets=null,this._activeTarget=null,this._scrollHeight=null},h.prototype._getConfig=function(n){if(n=t.extend({},u,n),"string"!=typeof n.target){var i=t(n.target).attr("id");i||(i=r.getUID(e),t(n.target).attr("id",i)),n.target="#"+i}return r.typeCheckConfig(e,n,d),n},h.prototype._getScrollTop=function(){return this._scrollElement===window?this._scrollElement.pageYOffset:this._scrollElement.scrollTop},h.prototype._getScrollHeight=function(){return this._scrollElement.scrollHeight||Math.max(document.body.scrollHeight,document.documentElement.scrollHeight)},h.prototype._getOffsetHeight=function(){return this._scrollElement===window?window.innerHeight:this._scrollElement.offsetHeight},h.prototype._process=function(){var t=this._getScrollTop()+this._config.offset,e=this._getScrollHeight(),n=this._config.offset+e-this._getOffsetHeight();if(this._scrollHeight!==e&&this.refresh(),t>=n){var i=this._targets[this._targets.length-1];return void(this._activeTarget!==i&&this._activate(i))}if(this._activeTarget&&t<this._offsets[0]&&this._offsets[0]>0)return this._activeTarget=null,void this._clear();for(var o=this._offsets.length;o--;){var r=this._activeTarget!==this._targets[o]&&t>=this._offsets[o]&&(void 0===this._offsets[o+1]||t<this._offsets[o+1]);r&&this._activate(this._targets[o])}},h.prototype._activate=function(e){this._activeTarget=e,this._clear();var n=this._selector.split(",");n=n.map(function(t){return t+'[data-target="'+e+'"],'+(t+'[href="'+e+'"]')});var i=t(n.join(","));i.hasClass(_.DROPDOWN_ITEM)?(i.closest(g.DROPDOWN).find(g.DROPDOWN_TOGGLE).addClass(_.ACTIVE),i.addClass(_.ACTIVE)):i.parents(g.LI).find("> "+g.NAV_LINKS).addClass(_.ACTIVE),t(this._scrollElement).trigger(f.ACTIVATE,{relatedTarget:e})},h.prototype._clear=function(){t(this._selector).filter(g.ACTIVE).removeClass(_.ACTIVE)},h._jQueryInterface=function(e){return this.each(function(){var n=t(this).data(a),o="object"===("undefined"==typeof e?"undefined":i(e))&&e;
+if(n||(n=new h(this,o),t(this).data(a,n)),"string"==typeof e){if(void 0===n[e])throw new Error('No method named "'+e+'"');n[e]()}})},o(h,null,[{key:"VERSION",get:function(){return s}},{key:"Default",get:function(){return u}}]),h}();return t(window).on(f.LOAD_DATA_API,function(){for(var e=t.makeArray(t(g.DATA_SPY)),n=e.length;n--;){var i=t(e[n]);m._jQueryInterface.call(i,i.data())}}),t.fn[e]=m._jQueryInterface,t.fn[e].Constructor=m,t.fn[e].noConflict=function(){return t.fn[e]=c,m._jQueryInterface},m}(jQuery),function(t){var e="tab",i="4.0.0-alpha.6",s="bs.tab",a="."+s,l=".data-api",h=t.fn[e],c=150,u={HIDE:"hide"+a,HIDDEN:"hidden"+a,SHOW:"show"+a,SHOWN:"shown"+a,CLICK_DATA_API:"click"+a+l},d={DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active",DISABLED:"disabled",FADE:"fade",SHOW:"show"},f={A:"a",LI:"li",DROPDOWN:".dropdown",LIST:"ul:not(.dropdown-menu), ol:not(.dropdown-menu), nav:not(.dropdown-menu)",FADE_CHILD:"> .nav-item .fade, > .fade",ACTIVE:".active",ACTIVE_CHILD:"> .nav-item > .active, > .active",DATA_TOGGLE:'[data-toggle="tab"], [data-toggle="pill"]',DROPDOWN_TOGGLE:".dropdown-toggle",DROPDOWN_ACTIVE_CHILD:"> .dropdown-menu .active"},_=function(){function e(t){n(this,e),this._element=t}return e.prototype.show=function(){var e=this;if(!(this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE&&t(this._element).hasClass(d.ACTIVE)||t(this._element).hasClass(d.DISABLED))){var n=void 0,i=void 0,o=t(this._element).closest(f.LIST)[0],s=r.getSelectorFromElement(this._element);o&&(i=t.makeArray(t(o).find(f.ACTIVE)),i=i[i.length-1]);var a=t.Event(u.HIDE,{relatedTarget:this._element}),l=t.Event(u.SHOW,{relatedTarget:i});if(i&&t(i).trigger(a),t(this._element).trigger(l),!l.isDefaultPrevented()&&!a.isDefaultPrevented()){s&&(n=t(s)[0]),this._activate(this._element,o);var h=function(){var n=t.Event(u.HIDDEN,{relatedTarget:e._element}),o=t.Event(u.SHOWN,{relatedTarget:i});t(i).trigger(n),t(e._element).trigger(o)};n?this._activate(n,n.parentNode,h):h()}}},e.prototype.dispose=function(){t.removeClass(this._element,s),this._element=null},e.prototype._activate=function(e,n,i){var o=this,s=t(n).find(f.ACTIVE_CHILD)[0],a=i&&r.supportsTransitionEnd()&&(s&&t(s).hasClass(d.FADE)||Boolean(t(n).find(f.FADE_CHILD)[0])),l=function(){return o._transitionComplete(e,s,a,i)};s&&a?t(s).one(r.TRANSITION_END,l).emulateTransitionEnd(c):l(),s&&t(s).removeClass(d.SHOW)},e.prototype._transitionComplete=function(e,n,i,o){if(n){t(n).removeClass(d.ACTIVE);var s=t(n.parentNode).find(f.DROPDOWN_ACTIVE_CHILD)[0];s&&t(s).removeClass(d.ACTIVE),n.setAttribute("aria-expanded",!1)}if(t(e).addClass(d.ACTIVE),e.setAttribute("aria-expanded",!0),i?(r.reflow(e),t(e).addClass(d.SHOW)):t(e).removeClass(d.FADE),e.parentNode&&t(e.parentNode).hasClass(d.DROPDOWN_MENU)){var a=t(e).closest(f.DROPDOWN)[0];a&&t(a).find(f.DROPDOWN_TOGGLE).addClass(d.ACTIVE),e.setAttribute("aria-expanded",!0)}o&&o()},e._jQueryInterface=function(n){return this.each(function(){var i=t(this),o=i.data(s);if(o||(o=new e(this),i.data(s,o)),"string"==typeof n){if(void 0===o[n])throw new Error('No method named "'+n+'"');o[n]()}})},o(e,null,[{key:"VERSION",get:function(){return i}}]),e}();return t(document).on(u.CLICK_DATA_API,f.DATA_TOGGLE,function(e){e.preventDefault(),_._jQueryInterface.call(t(this),"show")}),t.fn[e]=_._jQueryInterface,t.fn[e].Constructor=_,t.fn[e].noConflict=function(){return t.fn[e]=h,_._jQueryInterface},_}(jQuery),function(t){if("undefined"==typeof Tether)throw new Error("Bootstrap tooltips require Tether (http://tether.io/)");var e="tooltip",s="4.0.0-alpha.6",a="bs.tooltip",l="."+a,h=t.fn[e],c=150,u="bs-tether",d={animation:!0,template:'<div class="tooltip" role="tooltip"><div class="tooltip-inner"></div></div>',trigger:"hover focus",title:"",delay:0,html:!1,selector:!1,placement:"top",offset:"0 0",constraints:[],container:!1},f={animation:"boolean",template:"string",title:"(string|element|function)",trigger:"string",delay:"(number|object)",html:"boolean",selector:"(string|boolean)",placement:"(string|function)",offset:"string",constraints:"array",container:"(string|element|boolean)"},_={TOP:"bottom center",RIGHT:"middle left",BOTTOM:"top center",LEFT:"middle right"},g={SHOW:"show",OUT:"out"},p={HIDE:"hide"+l,HIDDEN:"hidden"+l,SHOW:"show"+l,SHOWN:"shown"+l,INSERTED:"inserted"+l,CLICK:"click"+l,FOCUSIN:"focusin"+l,FOCUSOUT:"focusout"+l,MOUSEENTER:"mouseenter"+l,MOUSELEAVE:"mouseleave"+l},m={FADE:"fade",SHOW:"show"},E={TOOLTIP:".tooltip",TOOLTIP_INNER:".tooltip-inner"},v={element:!1,enabled:!1},T={HOVER:"hover",FOCUS:"focus",CLICK:"click",MANUAL:"manual"},I=function(){function h(t,e){n(this,h),this._isEnabled=!0,this._timeout=0,this._hoverState="",this._activeTrigger={},this._isTransitioning=!1,this._tether=null,this.element=t,this.config=this._getConfig(e),this.tip=null,this._setListeners()}return h.prototype.enable=function(){this._isEnabled=!0},h.prototype.disable=function(){this._isEnabled=!1},h.prototype.toggleEnabled=function(){this._isEnabled=!this._isEnabled},h.prototype.toggle=function(e){if(e){var n=this.constructor.DATA_KEY,i=t(e.currentTarget).data(n);i||(i=new this.constructor(e.currentTarget,this._getDelegateConfig()),t(e.currentTarget).data(n,i)),i._activeTrigger.click=!i._activeTrigger.click,i._isWithActiveTrigger()?i._enter(null,i):i._leave(null,i)}else{if(t(this.getTipElement()).hasClass(m.SHOW))return void this._leave(null,this);this._enter(null,this)}},h.prototype.dispose=function(){clearTimeout(this._timeout),this.cleanupTether(),t.removeData(this.element,this.constructor.DATA_KEY),t(this.element).off(this.constructor.EVENT_KEY),t(this.element).closest(".modal").off("hide.bs.modal"),this.tip&&t(this.tip).remove(),this._isEnabled=null,this._timeout=null,this._hoverState=null,this._activeTrigger=null,this._tether=null,this.element=null,this.config=null,this.tip=null},h.prototype.show=function(){var e=this;if("none"===t(this.element).css("display"))throw new Error("Please use show on visible elements");var n=t.Event(this.constructor.Event.SHOW);if(this.isWithContent()&&this._isEnabled){if(this._isTransitioning)throw new Error("Tooltip is transitioning");t(this.element).trigger(n);var i=t.contains(this.element.ownerDocument.documentElement,this.element);if(n.isDefaultPrevented()||!i)return;var o=this.getTipElement(),s=r.getUID(this.constructor.NAME);o.setAttribute("id",s),this.element.setAttribute("aria-describedby",s),this.setContent(),this.config.animation&&t(o).addClass(m.FADE);var a="function"==typeof this.config.placement?this.config.placement.call(this,o,this.element):this.config.placement,l=this._getAttachment(a),c=this.config.container===!1?document.body:t(this.config.container);t(o).data(this.constructor.DATA_KEY,this).appendTo(c),t(this.element).trigger(this.constructor.Event.INSERTED),this._tether=new Tether({attachment:l,element:o,target:this.element,classes:v,classPrefix:u,offset:this.config.offset,constraints:this.config.constraints,addTargetClasses:!1}),r.reflow(o),this._tether.position(),t(o).addClass(m.SHOW);var d=function(){var n=e._hoverState;e._hoverState=null,e._isTransitioning=!1,t(e.element).trigger(e.constructor.Event.SHOWN),n===g.OUT&&e._leave(null,e)};if(r.supportsTransitionEnd()&&t(this.tip).hasClass(m.FADE))return this._isTransitioning=!0,void t(this.tip).one(r.TRANSITION_END,d).emulateTransitionEnd(h._TRANSITION_DURATION);d()}},h.prototype.hide=function(e){var n=this,i=this.getTipElement(),o=t.Event(this.constructor.Event.HIDE);if(this._isTransitioning)throw new Error("Tooltip is transitioning");var s=function(){n._hoverState!==g.SHOW&&i.parentNode&&i.parentNode.removeChild(i),n.element.removeAttribute("aria-describedby"),t(n.element).trigger(n.constructor.Event.HIDDEN),n._isTransitioning=!1,n.cleanupTether(),e&&e()};t(this.element).trigger(o),o.isDefaultPrevented()||(t(i).removeClass(m.SHOW),this._activeTrigger[T.CLICK]=!1,this._activeTrigger[T.FOCUS]=!1,this._activeTrigger[T.HOVER]=!1,r.supportsTransitionEnd()&&t(this.tip).hasClass(m.FADE)?(this._isTransitioning=!0,t(i).one(r.TRANSITION_END,s).emulateTransitionEnd(c)):s(),this._hoverState="")},h.prototype.isWithContent=function(){return Boolean(this.getTitle())},h.prototype.getTipElement=function(){return this.tip=this.tip||t(this.config.template)[0]},h.prototype.setContent=function(){var e=t(this.getTipElement());this.setElementContent(e.find(E.TOOLTIP_INNER),this.getTitle()),e.removeClass(m.FADE+" "+m.SHOW),this.cleanupTether()},h.prototype.setElementContent=function(e,n){var o=this.config.html;"object"===("undefined"==typeof n?"undefined":i(n))&&(n.nodeType||n.jquery)?o?t(n).parent().is(e)||e.empty().append(n):e.text(t(n).text()):e[o?"html":"text"](n)},h.prototype.getTitle=function(){var t=this.element.getAttribute("data-original-title");return t||(t="function"==typeof this.config.title?this.config.title.call(this.element):this.config.title),t},h.prototype.cleanupTether=function(){this._tether&&this._tether.destroy()},h.prototype._getAttachment=function(t){return _[t.toUpperCase()]},h.prototype._setListeners=function(){var e=this,n=this.config.trigger.split(" ");n.forEach(function(n){if("click"===n)t(e.element).on(e.constructor.Event.CLICK,e.config.selector,function(t){return e.toggle(t)});else if(n!==T.MANUAL){var i=n===T.HOVER?e.constructor.Event.MOUSEENTER:e.constructor.Event.FOCUSIN,o=n===T.HOVER?e.constructor.Event.MOUSELEAVE:e.constructor.Event.FOCUSOUT;t(e.element).on(i,e.config.selector,function(t){return e._enter(t)}).on(o,e.config.selector,function(t){return e._leave(t)})}t(e.element).closest(".modal").on("hide.bs.modal",function(){return e.hide()})}),this.config.selector?this.config=t.extend({},this.config,{trigger:"manual",selector:""}):this._fixTitle()},h.prototype._fixTitle=function(){var t=i(this.element.getAttribute("data-original-title"));(this.element.getAttribute("title")||"string"!==t)&&(this.element.setAttribute("data-original-title",this.element.getAttribute("title")||""),this.element.setAttribute("title",""))},h.prototype._enter=function(e,n){var i=this.constructor.DATA_KEY;return n=n||t(e.currentTarget).data(i),n||(n=new this.constructor(e.currentTarget,this._getDelegateConfig()),t(e.currentTarget).data(i,n)),e&&(n._activeTrigger["focusin"===e.type?T.FOCUS:T.HOVER]=!0),t(n.getTipElement()).hasClass(m.SHOW)||n._hoverState===g.SHOW?void(n._hoverState=g.SHOW):(clearTimeout(n._timeout),n._hoverState=g.SHOW,n.config.delay&&n.config.delay.show?void(n._timeout=setTimeout(function(){n._hoverState===g.SHOW&&n.show()},n.config.delay.show)):void n.show())},h.prototype._leave=function(e,n){var i=this.constructor.DATA_KEY;if(n=n||t(e.currentTarget).data(i),n||(n=new this.constructor(e.currentTarget,this._getDelegateConfig()),t(e.currentTarget).data(i,n)),e&&(n._activeTrigger["focusout"===e.type?T.FOCUS:T.HOVER]=!1),!n._isWithActiveTrigger())return clearTimeout(n._timeout),n._hoverState=g.OUT,n.config.delay&&n.config.delay.hide?void(n._timeout=setTimeout(function(){n._hoverState===g.OUT&&n.hide()},n.config.delay.hide)):void n.hide()},h.prototype._isWithActiveTrigger=function(){for(var t in this._activeTrigger)if(this._activeTrigger[t])return!0;return!1},h.prototype._getConfig=function(n){return n=t.extend({},this.constructor.Default,t(this.element).data(),n),n.delay&&"number"==typeof n.delay&&(n.delay={show:n.delay,hide:n.delay}),r.typeCheckConfig(e,n,this.constructor.DefaultType),n},h.prototype._getDelegateConfig=function(){var t={};if(this.config)for(var e in this.config)this.constructor.Default[e]!==this.config[e]&&(t[e]=this.config[e]);return t},h._jQueryInterface=function(e){return this.each(function(){var n=t(this).data(a),o="object"===("undefined"==typeof e?"undefined":i(e))&&e;if((n||!/dispose|hide/.test(e))&&(n||(n=new h(this,o),t(this).data(a,n)),"string"==typeof e)){if(void 0===n[e])throw new Error('No method named "'+e+'"');n[e]()}})},o(h,null,[{key:"VERSION",get:function(){return s}},{key:"Default",get:function(){return d}},{key:"NAME",get:function(){return e}},{key:"DATA_KEY",get:function(){return a}},{key:"Event",get:function(){return p}},{key:"EVENT_KEY",get:function(){return l}},{key:"DefaultType",get:function(){return f}}]),h}();return t.fn[e]=I._jQueryInterface,t.fn[e].Constructor=I,t.fn[e].noConflict=function(){return t.fn[e]=h,I._jQueryInterface},I}(jQuery));(function(r){var a="popover",l="4.0.0-alpha.6",h="bs.popover",c="."+h,u=r.fn[a],d=r.extend({},s.Default,{placement:"right",trigger:"click",content:"",template:'<div class="popover" role="tooltip"><h3 class="popover-title"></h3><div class="popover-content"></div></div>'}),f=r.extend({},s.DefaultType,{content:"(string|element|function)"}),_={FADE:"fade",SHOW:"show"},g={TITLE:".popover-title",CONTENT:".popover-content"},p={HIDE:"hide"+c,HIDDEN:"hidden"+c,SHOW:"show"+c,SHOWN:"shown"+c,INSERTED:"inserted"+c,CLICK:"click"+c,FOCUSIN:"focusin"+c,FOCUSOUT:"focusout"+c,MOUSEENTER:"mouseenter"+c,MOUSELEAVE:"mouseleave"+c},m=function(s){function u(){return n(this,u),t(this,s.apply(this,arguments))}return e(u,s),u.prototype.isWithContent=function(){return this.getTitle()||this._getContent()},u.prototype.getTipElement=function(){return this.tip=this.tip||r(this.config.template)[0]},u.prototype.setContent=function(){var t=r(this.getTipElement());this.setElementContent(t.find(g.TITLE),this.getTitle()),this.setElementContent(t.find(g.CONTENT),this._getContent()),t.removeClass(_.FADE+" "+_.SHOW),this.cleanupTether()},u.prototype._getContent=function(){return this.element.getAttribute("data-content")||("function"==typeof this.config.content?this.config.content.call(this.element):this.config.content)},u._jQueryInterface=function(t){return this.each(function(){var e=r(this).data(h),n="object"===("undefined"==typeof t?"undefined":i(t))?t:null;if((e||!/destroy|hide/.test(t))&&(e||(e=new u(this,n),r(this).data(h,e)),"string"==typeof t)){if(void 0===e[t])throw new Error('No method named "'+t+'"');e[t]()}})},o(u,null,[{key:"VERSION",get:function(){return l}},{key:"Default",get:function(){return d}},{key:"NAME",get:function(){return a}},{key:"DATA_KEY",get:function(){return h}},{key:"Event",get:function(){return p}},{key:"EVENT_KEY",get:function(){return c}},{key:"DefaultType",get:function(){return f}}]),u}(s);return r.fn[a]=m._jQueryInterface,r.fn[a].Constructor=m,r.fn[a].noConflict=function(){return r.fn[a]=u,m._jQueryInterface},m})(jQuery)}();
\ No newline at end of file
diff --git a/assets/javascripts/bootstrap/alert.js b/assets/javascripts/bootstrap/alert.js
index 159afee..b332252 100644
--- a/assets/javascripts/bootstrap/alert.js
+++ b/assets/javascripts/bootstrap/alert.js
@@ -4,7 +4,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): alert.js
+ * Bootstrap (v4.0.0-alpha.6): alert.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -18,7 +18,7 @@ var Alert = function ($) {
    */
 
   var NAME = 'alert';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.alert';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -38,7 +38,7 @@ var Alert = function ($) {
   var ClassName = {
     ALERT: 'alert',
     FADE: 'fade',
-    IN: 'in'
+    SHOW: 'show'
   };
 
   /**
@@ -101,14 +101,18 @@ var Alert = function ($) {
     };
 
     Alert.prototype._removeElement = function _removeElement(element) {
-      $(element).removeClass(ClassName.IN);
+      var _this = this;
+
+      $(element).removeClass(ClassName.SHOW);
 
       if (!Util.supportsTransitionEnd() || !$(element).hasClass(ClassName.FADE)) {
         this._destroyElement(element);
         return;
       }
 
-      $(element).one(Util.TRANSITION_END, $.proxy(this._destroyElement, this, element)).emulateTransitionEnd(TRANSITION_DURATION);
+      $(element).one(Util.TRANSITION_END, function (event) {
+        return _this._destroyElement(element, event);
+      }).emulateTransitionEnd(TRANSITION_DURATION);
     };
 
     Alert.prototype._destroyElement = function _destroyElement(element) {
diff --git a/assets/javascripts/bootstrap/button.js b/assets/javascripts/bootstrap/button.js
index 932c68f..03f787e 100644
--- a/assets/javascripts/bootstrap/button.js
+++ b/assets/javascripts/bootstrap/button.js
@@ -4,7 +4,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): button.js
+ * Bootstrap (v4.0.0-alpha.6): button.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -18,7 +18,7 @@ var Button = function ($) {
    */
 
   var NAME = 'button';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.button';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -82,15 +82,15 @@ var Button = function ($) {
 
           if (triggerChangeEvent) {
             input.checked = !$(this._element).hasClass(ClassName.ACTIVE);
-            $(this._element).trigger('change');
+            $(input).trigger('change');
           }
 
           input.focus();
         }
-      } else {
-        this._element.setAttribute('aria-pressed', !$(this._element).hasClass(ClassName.ACTIVE));
       }
 
+      this._element.setAttribute('aria-pressed', !$(this._element).hasClass(ClassName.ACTIVE));
+
       if (triggerChangeEvent) {
         $(this._element).toggleClass(ClassName.ACTIVE);
       }
diff --git a/assets/javascripts/bootstrap/carousel.js b/assets/javascripts/bootstrap/carousel.js
index cfe5ce3..c834f67 100644
--- a/assets/javascripts/bootstrap/carousel.js
+++ b/assets/javascripts/bootstrap/carousel.js
@@ -6,7 +6,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): carousel.js
+ * Bootstrap (v4.0.0-alpha.6): carousel.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -20,7 +20,7 @@ var Carousel = function ($) {
    */
 
   var NAME = 'carousel';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.carousel';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -47,7 +47,9 @@ var Carousel = function ($) {
 
   var Direction = {
     NEXT: 'next',
-    PREVIOUS: 'prev'
+    PREV: 'prev',
+    LEFT: 'left',
+    RIGHT: 'right'
   };
 
   var Event = {
@@ -64,8 +66,10 @@ var Carousel = function ($) {
     CAROUSEL: 'carousel',
     ACTIVE: 'active',
     SLIDE: 'slide',
-    RIGHT: 'right',
-    LEFT: 'left',
+    RIGHT: 'carousel-item-right',
+    LEFT: 'carousel-item-left',
+    NEXT: 'carousel-item-next',
+    PREV: 'carousel-item-prev',
     ITEM: 'carousel-item'
   };
 
@@ -73,7 +77,7 @@ var Carousel = function ($) {
     ACTIVE: '.active',
     ACTIVE_ITEM: '.active.carousel-item',
     ITEM: '.carousel-item',
-    NEXT_PREV: '.next, .prev',
+    NEXT_PREV: '.carousel-item-next, .carousel-item-prev',
     INDICATORS: '.carousel-indicators',
     DATA_SLIDE: '[data-slide], [data-slide-to]',
     DATA_RIDE: '[data-ride="carousel"]'
@@ -108,9 +112,10 @@ var Carousel = function ($) {
     // public
 
     Carousel.prototype.next = function next() {
-      if (!this._isSliding) {
-        this._slide(Direction.NEXT);
+      if (this._isSliding) {
+        throw new Error('Carousel is sliding');
       }
+      this._slide(Direction.NEXT);
     };
 
     Carousel.prototype.nextWhenVisible = function nextWhenVisible() {
@@ -121,9 +126,10 @@ var Carousel = function ($) {
     };
 
     Carousel.prototype.prev = function prev() {
-      if (!this._isSliding) {
-        this._slide(Direction.PREVIOUS);
+      if (this._isSliding) {
+        throw new Error('Carousel is sliding');
       }
+      this._slide(Direction.PREVIOUS);
     };
 
     Carousel.prototype.pause = function pause(event) {
@@ -151,7 +157,7 @@ var Carousel = function ($) {
       }
 
       if (this._config.interval && !this._isPaused) {
-        this._interval = setInterval($.proxy(document.visibilityState ? this.nextWhenVisible : this.next, this), this._config.interval);
+        this._interval = setInterval((document.visibilityState ? this.nextWhenVisible : this.next).bind(this), this._config.interval);
       }
     };
 
@@ -207,27 +213,35 @@ var Carousel = function ($) {
     };
 
     Carousel.prototype._addEventListeners = function _addEventListeners() {
+      var _this2 = this;
+
       if (this._config.keyboard) {
-        $(this._element).on(Event.KEYDOWN, $.proxy(this._keydown, this));
+        $(this._element).on(Event.KEYDOWN, function (event) {
+          return _this2._keydown(event);
+        });
       }
 
       if (this._config.pause === 'hover' && !('ontouchstart' in document.documentElement)) {
-        $(this._element).on(Event.MOUSEENTER, $.proxy(this.pause, this)).on(Event.MOUSELEAVE, $.proxy(this.cycle, this));
+        $(this._element).on(Event.MOUSEENTER, function (event) {
+          return _this2.pause(event);
+        }).on(Event.MOUSELEAVE, function (event) {
+          return _this2.cycle(event);
+        });
       }
     };
 
     Carousel.prototype._keydown = function _keydown(event) {
-      event.preventDefault();
-
       if (/input|textarea/i.test(event.target.tagName)) {
         return;
       }
 
       switch (event.which) {
         case ARROW_LEFT_KEYCODE:
+          event.preventDefault();
           this.prev();
           break;
         case ARROW_RIGHT_KEYCODE:
+          event.preventDefault();
           this.next();
           break;
         default:
@@ -257,10 +271,10 @@ var Carousel = function ($) {
       return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex];
     };
 
-    Carousel.prototype._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, directionalClassname) {
+    Carousel.prototype._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName) {
       var slideEvent = $.Event(Event.SLIDE, {
         relatedTarget: relatedTarget,
-        direction: directionalClassname
+        direction: eventDirectionName
       });
 
       $(this._element).trigger(slideEvent);
@@ -281,21 +295,33 @@ var Carousel = function ($) {
     };
 
     Carousel.prototype._slide = function _slide(direction, element) {
-      var _this2 = this;
+      var _this3 = this;
 
       var activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0];
       var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement);
 
       var isCycling = Boolean(this._interval);
 
-      var directionalClassName = direction === Direction.NEXT ? ClassName.LEFT : ClassName.RIGHT;
+      var directionalClassName = void 0;
+      var orderClassName = void 0;
+      var eventDirectionName = void 0;
+
+      if (direction === Direction.NEXT) {
+        directionalClassName = ClassName.LEFT;
+        orderClassName = ClassName.NEXT;
+        eventDirectionName = Direction.LEFT;
+      } else {
+        directionalClassName = ClassName.RIGHT;
+        orderClassName = ClassName.PREV;
+        eventDirectionName = Direction.RIGHT;
+      }
 
       if (nextElement && $(nextElement).hasClass(ClassName.ACTIVE)) {
         this._isSliding = false;
         return;
       }
 
-      var slideEvent = this._triggerSlideEvent(nextElement, directionalClassName);
+      var slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName);
       if (slideEvent.isDefaultPrevented()) {
         return;
       }
@@ -315,12 +341,12 @@ var Carousel = function ($) {
 
       var slidEvent = $.Event(Event.SLID, {
         relatedTarget: nextElement,
-        direction: directionalClassName
+        direction: eventDirectionName
       });
 
       if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.SLIDE)) {
 
-        $(nextElement).addClass(direction);
+        $(nextElement).addClass(orderClassName);
 
         Util.reflow(nextElement);
 
@@ -328,16 +354,14 @@ var Carousel = function ($) {
         $(nextElement).addClass(directionalClassName);
 
         $(activeElement).one(Util.TRANSITION_END, function () {
-          $(nextElement).removeClass(directionalClassName).removeClass(direction);
-
-          $(nextElement).addClass(ClassName.ACTIVE);
+          $(nextElement).removeClass(directionalClassName + ' ' + orderClassName).addClass(ClassName.ACTIVE);
 
-          $(activeElement).removeClass(ClassName.ACTIVE).removeClass(direction).removeClass(directionalClassName);
+          $(activeElement).removeClass(ClassName.ACTIVE + ' ' + orderClassName + ' ' + directionalClassName);
 
-          _this2._isSliding = false;
+          _this3._isSliding = false;
 
           setTimeout(function () {
-            return $(_this2._element).trigger(slidEvent);
+            return $(_this3._element).trigger(slidEvent);
           }, 0);
         }).emulateTransitionEnd(TRANSITION_DURATION);
       } else {
diff --git a/assets/javascripts/bootstrap/collapse.js b/assets/javascripts/bootstrap/collapse.js
index cd3caa7..2969a60 100644
--- a/assets/javascripts/bootstrap/collapse.js
+++ b/assets/javascripts/bootstrap/collapse.js
@@ -6,7 +6,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): collapse.js
+ * Bootstrap (v4.0.0-alpha.6): collapse.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -20,7 +20,7 @@ var Collapse = function ($) {
    */
 
   var NAME = 'collapse';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.collapse';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -46,7 +46,7 @@ var Collapse = function ($) {
   };
 
   var ClassName = {
-    IN: 'in',
+    SHOW: 'show',
     COLLAPSE: 'collapse',
     COLLAPSING: 'collapsing',
     COLLAPSED: 'collapsed'
@@ -58,7 +58,7 @@ var Collapse = function ($) {
   };
 
   var Selector = {
-    ACTIVES: '.card > .in, .card > .collapsing',
+    ACTIVES: '.card > .show, .card > .collapsing',
     DATA_TOGGLE: '[data-toggle="collapse"]'
   };
 
@@ -93,7 +93,7 @@ var Collapse = function ($) {
     // public
 
     Collapse.prototype.toggle = function toggle() {
-      if ($(this._element).hasClass(ClassName.IN)) {
+      if ($(this._element).hasClass(ClassName.SHOW)) {
         this.hide();
       } else {
         this.show();
@@ -103,7 +103,11 @@ var Collapse = function ($) {
     Collapse.prototype.show = function show() {
       var _this = this;
 
-      if (this._isTransitioning || $(this._element).hasClass(ClassName.IN)) {
+      if (this._isTransitioning) {
+        throw new Error('Collapse is transitioning');
+      }
+
+      if ($(this._element).hasClass(ClassName.SHOW)) {
         return;
       }
 
@@ -111,7 +115,7 @@ var Collapse = function ($) {
       var activesData = void 0;
 
       if (this._parent) {
-        actives = $.makeArray($(Selector.ACTIVES));
+        actives = $.makeArray($(this._parent).find(Selector.ACTIVES));
         if (!actives.length) {
           actives = null;
         }
@@ -151,7 +155,7 @@ var Collapse = function ($) {
       this.setTransitioning(true);
 
       var complete = function complete() {
-        $(_this._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).addClass(ClassName.IN);
+        $(_this._element).removeClass(ClassName.COLLAPSING).addClass(ClassName.COLLAPSE).addClass(ClassName.SHOW);
 
         _this._element.style[dimension] = '';
 
@@ -176,7 +180,11 @@ var Collapse = function ($) {
     Collapse.prototype.hide = function hide() {
       var _this2 = this;
 
-      if (this._isTransitioning || !$(this._element).hasClass(ClassName.IN)) {
+      if (this._isTransitioning) {
+        throw new Error('Collapse is transitioning');
+      }
+
+      if (!$(this._element).hasClass(ClassName.SHOW)) {
         return;
       }
 
@@ -193,7 +201,7 @@ var Collapse = function ($) {
 
       Util.reflow(this._element);
 
-      $(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.IN);
+      $(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.SHOW);
 
       this._element.setAttribute('aria-expanded', false);
 
@@ -261,7 +269,7 @@ var Collapse = function ($) {
 
     Collapse.prototype._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) {
       if (element) {
-        var isOpen = $(element).hasClass(ClassName.IN);
+        var isOpen = $(element).hasClass(ClassName.SHOW);
         element.setAttribute('aria-expanded', isOpen);
 
         if (triggerArray.length) {
diff --git a/assets/javascripts/bootstrap/dropdown.js b/assets/javascripts/bootstrap/dropdown.js
index 0f53f14..87fa677 100644
--- a/assets/javascripts/bootstrap/dropdown.js
+++ b/assets/javascripts/bootstrap/dropdown.js
@@ -4,7 +4,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): dropdown.js
+ * Bootstrap (v4.0.0-alpha.6): dropdown.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -18,7 +18,7 @@ var Dropdown = function ($) {
    */
 
   var NAME = 'dropdown';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.dropdown';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -35,13 +35,14 @@ var Dropdown = function ($) {
     SHOWN: 'shown' + EVENT_KEY,
     CLICK: 'click' + EVENT_KEY,
     CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY,
+    FOCUSIN_DATA_API: 'focusin' + EVENT_KEY + DATA_API_KEY,
     KEYDOWN_DATA_API: 'keydown' + EVENT_KEY + DATA_API_KEY
   };
 
   var ClassName = {
     BACKDROP: 'dropdown-backdrop',
     DISABLED: 'disabled',
-    OPEN: 'open'
+    SHOW: 'show'
   };
 
   var Selector = {
@@ -79,7 +80,7 @@ var Dropdown = function ($) {
       }
 
       var parent = Dropdown._getParentFromElement(this);
-      var isActive = $(parent).hasClass(ClassName.OPEN);
+      var isActive = $(parent).hasClass(ClassName.SHOW);
 
       Dropdown._clearMenus();
 
@@ -96,7 +97,9 @@ var Dropdown = function ($) {
         $(dropdown).on('click', Dropdown._clearMenus);
       }
 
-      var relatedTarget = { relatedTarget: this };
+      var relatedTarget = {
+        relatedTarget: this
+      };
       var showEvent = $.Event(Event.SHOW, relatedTarget);
 
       $(parent).trigger(showEvent);
@@ -106,9 +109,9 @@ var Dropdown = function ($) {
       }
 
       this.focus();
-      this.setAttribute('aria-expanded', 'true');
+      this.setAttribute('aria-expanded', true);
 
-      $(parent).toggleClass(ClassName.OPEN);
+      $(parent).toggleClass(ClassName.SHOW);
       $(parent).trigger($.Event(Event.SHOWN, relatedTarget));
 
       return false;
@@ -133,7 +136,8 @@ var Dropdown = function ($) {
         var data = $(this).data(DATA_KEY);
 
         if (!data) {
-          $(this).data(DATA_KEY, data = new Dropdown(this));
+          data = new Dropdown(this);
+          $(this).data(DATA_KEY, data);
         }
 
         if (typeof config === 'string') {
@@ -159,13 +163,15 @@ var Dropdown = function ($) {
 
       for (var i = 0; i < toggles.length; i++) {
         var parent = Dropdown._getParentFromElement(toggles[i]);
-        var relatedTarget = { relatedTarget: toggles[i] };
+        var relatedTarget = {
+          relatedTarget: toggles[i]
+        };
 
-        if (!$(parent).hasClass(ClassName.OPEN)) {
+        if (!$(parent).hasClass(ClassName.SHOW)) {
           continue;
         }
 
-        if (event && event.type === 'click' && /input|textarea/i.test(event.target.tagName) && $.contains(parent, event.target)) {
+        if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'focusin') && $.contains(parent, event.target)) {
           continue;
         }
 
@@ -177,7 +183,7 @@ var Dropdown = function ($) {
 
         toggles[i].setAttribute('aria-expanded', 'false');
 
-        $(parent).removeClass(ClassName.OPEN).trigger($.Event(Event.HIDDEN, relatedTarget));
+        $(parent).removeClass(ClassName.SHOW).trigger($.Event(Event.HIDDEN, relatedTarget));
       }
     };
 
@@ -205,7 +211,7 @@ var Dropdown = function ($) {
       }
 
       var parent = Dropdown._getParentFromElement(this);
-      var isActive = $(parent).hasClass(ClassName.OPEN);
+      var isActive = $(parent).hasClass(ClassName.SHOW);
 
       if (!isActive && event.which !== ESCAPE_KEYCODE || isActive && event.which === ESCAPE_KEYCODE) {
 
@@ -218,11 +224,7 @@ var Dropdown = function ($) {
         return;
       }
 
-      var items = $.makeArray($(Selector.VISIBLE_ITEMS));
-
-      items = items.filter(function (item) {
-        return item.offsetWidth || item.offsetHeight;
-      });
+      var items = $(parent).find(Selector.VISIBLE_ITEMS).get();
 
       if (!items.length) {
         return;
@@ -263,7 +265,7 @@ var Dropdown = function ($) {
    * ------------------------------------------------------------------------
    */
 
-  $(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_MENU, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_LISTBOX, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, Dropdown.prototype.toggle).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) {
+  $(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_MENU, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_LISTBOX, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API + ' ' + Event.FOCUSIN_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, Dropdown.prototype.toggle).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) {
     e.stopPropagation();
   });
 
diff --git a/assets/javascripts/bootstrap/modal.js b/assets/javascripts/bootstrap/modal.js
index f2e2f74..c6113e9 100644
--- a/assets/javascripts/bootstrap/modal.js
+++ b/assets/javascripts/bootstrap/modal.js
@@ -6,7 +6,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): modal.js
+ * Bootstrap (v4.0.0-alpha.6): modal.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -20,7 +20,7 @@ var Modal = function ($) {
    */
 
   var NAME = 'modal';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.modal';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -62,14 +62,14 @@ var Modal = function ($) {
     BACKDROP: 'modal-backdrop',
     OPEN: 'modal-open',
     FADE: 'fade',
-    IN: 'in'
+    SHOW: 'show'
   };
 
   var Selector = {
     DIALOG: '.modal-dialog',
     DATA_TOGGLE: '[data-toggle="modal"]',
     DATA_DISMISS: '[data-dismiss="modal"]',
-    FIXED_CONTENT: '.navbar-fixed-top, .navbar-fixed-bottom, .is-fixed'
+    FIXED_CONTENT: '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top'
   };
 
   /**
@@ -89,6 +89,7 @@ var Modal = function ($) {
       this._isShown = false;
       this._isBodyOverflowing = false;
       this._ignoreBackdropClick = false;
+      this._isTransitioning = false;
       this._originalBodyPadding = 0;
       this._scrollbarWidth = 0;
     }
@@ -104,6 +105,13 @@ var Modal = function ($) {
     Modal.prototype.show = function show(relatedTarget) {
       var _this = this;
 
+      if (this._isTransitioning) {
+        throw new Error('Modal is transitioning');
+      }
+
+      if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
+        this._isTransitioning = true;
+      }
       var showEvent = $.Event(Event.SHOW, {
         relatedTarget: relatedTarget
       });
@@ -124,7 +132,9 @@ var Modal = function ($) {
       this._setEscapeEvent();
       this._setResizeEvent();
 
-      $(this._element).on(Event.CLICK_DISMISS, Selector.DATA_DISMISS, $.proxy(this.hide, this));
+      $(this._element).on(Event.CLICK_DISMISS, Selector.DATA_DISMISS, function (event) {
+        return _this.hide(event);
+      });
 
       $(this._dialog).on(Event.MOUSEDOWN_DISMISS, function () {
         $(_this._element).one(Event.MOUSEUP_DISMISS, function (event) {
@@ -134,16 +144,28 @@ var Modal = function ($) {
         });
       });
 
-      this._showBackdrop($.proxy(this._showElement, this, relatedTarget));
+      this._showBackdrop(function () {
+        return _this._showElement(relatedTarget);
+      });
     };
 
     Modal.prototype.hide = function hide(event) {
+      var _this2 = this;
+
       if (event) {
         event.preventDefault();
       }
 
-      var hideEvent = $.Event(Event.HIDE);
+      if (this._isTransitioning) {
+        throw new Error('Modal is transitioning');
+      }
+
+      var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
+      if (transition) {
+        this._isTransitioning = true;
+      }
 
+      var hideEvent = $.Event(Event.HIDE);
       $(this._element).trigger(hideEvent);
 
       if (!this._isShown || hideEvent.isDefaultPrevented()) {
@@ -157,14 +179,15 @@ var Modal = function ($) {
 
       $(document).off(Event.FOCUSIN);
 
-      $(this._element).removeClass(ClassName.IN);
+      $(this._element).removeClass(ClassName.SHOW);
 
       $(this._element).off(Event.CLICK_DISMISS);
       $(this._dialog).off(Event.MOUSEDOWN_DISMISS);
 
-      if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
-
-        $(this._element).one(Util.TRANSITION_END, $.proxy(this._hideModal, this)).emulateTransitionEnd(TRANSITION_DURATION);
+      if (transition) {
+        $(this._element).one(Util.TRANSITION_END, function (event) {
+          return _this2._hideModal(event);
+        }).emulateTransitionEnd(TRANSITION_DURATION);
       } else {
         this._hideModal();
       }
@@ -173,10 +196,7 @@ var Modal = function ($) {
     Modal.prototype.dispose = function dispose() {
       $.removeData(this._element, DATA_KEY);
 
-      $(window).off(EVENT_KEY);
-      $(document).off(EVENT_KEY);
-      $(this._element).off(EVENT_KEY);
-      $(this._backdrop).off(EVENT_KEY);
+      $(window, document, this._element, this._backdrop).off(EVENT_KEY);
 
       this._config = null;
       this._element = null;
@@ -198,7 +218,7 @@ var Modal = function ($) {
     };
 
     Modal.prototype._showElement = function _showElement(relatedTarget) {
-      var _this2 = this;
+      var _this3 = this;
 
       var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
 
@@ -215,7 +235,7 @@ var Modal = function ($) {
         Util.reflow(this._element);
       }
 
-      $(this._element).addClass(ClassName.IN);
+      $(this._element).addClass(ClassName.SHOW);
 
       if (this._config.focus) {
         this._enforceFocus();
@@ -226,10 +246,11 @@ var Modal = function ($) {
       });
 
       var transitionComplete = function transitionComplete() {
-        if (_this2._config.focus) {
-          _this2._element.focus();
+        if (_this3._config.focus) {
+          _this3._element.focus();
         }
-        $(_this2._element).trigger(shownEvent);
+        _this3._isTransitioning = false;
+        $(_this3._element).trigger(shownEvent);
       };
 
       if (transition) {
@@ -240,23 +261,23 @@ var Modal = function ($) {
     };
 
     Modal.prototype._enforceFocus = function _enforceFocus() {
-      var _this3 = this;
+      var _this4 = this;
 
       $(document).off(Event.FOCUSIN) // guard against infinite focus loop
       .on(Event.FOCUSIN, function (event) {
-        if (document !== event.target && _this3._element !== event.target && !$(_this3._element).has(event.target).length) {
-          _this3._element.focus();
+        if (document !== event.target && _this4._element !== event.target && !$(_this4._element).has(event.target).length) {
+          _this4._element.focus();
         }
       });
     };
 
     Modal.prototype._setEscapeEvent = function _setEscapeEvent() {
-      var _this4 = this;
+      var _this5 = this;
 
       if (this._isShown && this._config.keyboard) {
         $(this._element).on(Event.KEYDOWN_DISMISS, function (event) {
           if (event.which === ESCAPE_KEYCODE) {
-            _this4.hide();
+            _this5.hide();
           }
         });
       } else if (!this._isShown) {
@@ -265,23 +286,28 @@ var Modal = function ($) {
     };
 
     Modal.prototype._setResizeEvent = function _setResizeEvent() {
+      var _this6 = this;
+
       if (this._isShown) {
-        $(window).on(Event.RESIZE, $.proxy(this._handleUpdate, this));
+        $(window).on(Event.RESIZE, function (event) {
+          return _this6._handleUpdate(event);
+        });
       } else {
         $(window).off(Event.RESIZE);
       }
     };
 
     Modal.prototype._hideModal = function _hideModal() {
-      var _this5 = this;
+      var _this7 = this;
 
       this._element.style.display = 'none';
       this._element.setAttribute('aria-hidden', 'true');
+      this._isTransitioning = false;
       this._showBackdrop(function () {
         $(document.body).removeClass(ClassName.OPEN);
-        _this5._resetAdjustments();
-        _this5._resetScrollbar();
-        $(_this5._element).trigger(Event.HIDDEN);
+        _this7._resetAdjustments();
+        _this7._resetScrollbar();
+        $(_this7._element).trigger(Event.HIDDEN);
       });
     };
 
@@ -293,7 +319,7 @@ var Modal = function ($) {
     };
 
     Modal.prototype._showBackdrop = function _showBackdrop(callback) {
-      var _this6 = this;
+      var _this8 = this;
 
       var animate = $(this._element).hasClass(ClassName.FADE) ? ClassName.FADE : '';
 
@@ -310,17 +336,17 @@ var Modal = function ($) {
         $(this._backdrop).appendTo(document.body);
 
         $(this._element).on(Event.CLICK_DISMISS, function (event) {
-          if (_this6._ignoreBackdropClick) {
-            _this6._ignoreBackdropClick = false;
+          if (_this8._ignoreBackdropClick) {
+            _this8._ignoreBackdropClick = false;
             return;
           }
           if (event.target !== event.currentTarget) {
             return;
           }
-          if (_this6._config.backdrop === 'static') {
-            _this6._element.focus();
+          if (_this8._config.backdrop === 'static') {
+            _this8._element.focus();
           } else {
-            _this6.hide();
+            _this8.hide();
           }
         });
 
@@ -328,7 +354,7 @@ var Modal = function ($) {
           Util.reflow(this._backdrop);
         }
 
-        $(this._backdrop).addClass(ClassName.IN);
+        $(this._backdrop).addClass(ClassName.SHOW);
 
         if (!callback) {
           return;
@@ -341,10 +367,10 @@ var Modal = function ($) {
 
         $(this._backdrop).one(Util.TRANSITION_END, callback).emulateTransitionEnd(BACKDROP_TRANSITION_DURATION);
       } else if (!this._isShown && this._backdrop) {
-        $(this._backdrop).removeClass(ClassName.IN);
+        $(this._backdrop).removeClass(ClassName.SHOW);
 
         var callbackRemove = function callbackRemove() {
-          _this6._removeBackdrop();
+          _this8._removeBackdrop();
           if (callback) {
             callback();
           }
@@ -460,7 +486,7 @@ var Modal = function ($) {
    */
 
   $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
-    var _this7 = this;
+    var _this9 = this;
 
     var target = void 0;
     var selector = Util.getSelectorFromElement(this);
@@ -471,7 +497,7 @@ var Modal = function ($) {
 
     var config = $(target).data(DATA_KEY) ? 'toggle' : $.extend({}, $(target).data(), $(this).data());
 
-    if (this.tagName === 'A') {
+    if (this.tagName === 'A' || this.tagName === 'AREA') {
       event.preventDefault();
     }
 
@@ -482,8 +508,8 @@ var Modal = function ($) {
       }
 
       $target.one(Event.HIDDEN, function () {
-        if ($(_this7).is(':visible')) {
-          _this7.focus();
+        if ($(_this9).is(':visible')) {
+          _this9.focus();
         }
       });
     });
diff --git a/assets/javascripts/bootstrap/popover.js b/assets/javascripts/bootstrap/popover.js
index 84efc68..5ca8c0c 100644
--- a/assets/javascripts/bootstrap/popover.js
+++ b/assets/javascripts/bootstrap/popover.js
@@ -10,7 +10,7 @@ function _inherits(subClass, superClass) { if (typeof superClass !== "function"
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): popover.js
+ * Bootstrap (v4.0.0-alpha.6): popover.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -24,7 +24,7 @@ var Popover = function ($) {
    */
 
   var NAME = 'popover';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.popover';
   var EVENT_KEY = '.' + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
@@ -42,7 +42,7 @@ var Popover = function ($) {
 
   var ClassName = {
     FADE: 'fade',
-    IN: 'in'
+    SHOW: 'show'
   };
 
   var Selector = {
@@ -95,7 +95,7 @@ var Popover = function ($) {
       this.setElementContent($tip.find(Selector.TITLE), this.getTitle());
       this.setElementContent($tip.find(Selector.CONTENT), this._getContent());
 
-      $tip.removeClass(ClassName.FADE).removeClass(ClassName.IN);
+      $tip.removeClass(ClassName.FADE + ' ' + ClassName.SHOW);
 
       this.cleanupTether();
     };
diff --git a/assets/javascripts/bootstrap/scrollspy.js b/assets/javascripts/bootstrap/scrollspy.js
index d5e4588..e2ee2e3 100644
--- a/assets/javascripts/bootstrap/scrollspy.js
+++ b/assets/javascripts/bootstrap/scrollspy.js
@@ -6,7 +6,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): scrollspy.js
+ * Bootstrap (v4.0.0-alpha.6): scrollspy.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -20,7 +20,7 @@ var ScrollSpy = function ($) {
    */
 
   var NAME = 'scrollspy';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.scrollspy';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -77,6 +77,8 @@ var ScrollSpy = function ($) {
 
   var ScrollSpy = function () {
     function ScrollSpy(element, config) {
+      var _this = this;
+
       _classCallCheck(this, ScrollSpy);
 
       this._element = element;
@@ -88,7 +90,9 @@ var ScrollSpy = function ($) {
       this._activeTarget = null;
       this._scrollHeight = 0;
 
-      $(this._scrollElement).on(Event.SCROLL, $.proxy(this._process, this));
+      $(this._scrollElement).on(Event.SCROLL, function (event) {
+        return _this._process(event);
+      });
 
       this.refresh();
       this._process();
@@ -99,7 +103,7 @@ var ScrollSpy = function ($) {
     // public
 
     ScrollSpy.prototype.refresh = function refresh() {
-      var _this = this;
+      var _this2 = this;
 
       var autoMethod = this._scrollElement !== this._scrollElement.window ? OffsetMethod.POSITION : OffsetMethod.OFFSET;
 
@@ -132,8 +136,8 @@ var ScrollSpy = function ($) {
       }).sort(function (a, b) {
         return a[0] - b[0];
       }).forEach(function (item) {
-        _this._offsets.push(item[0]);
-        _this._targets.push(item[1]);
+        _this2._offsets.push(item[0]);
+        _this2._targets.push(item[1]);
       });
     };
 
@@ -171,17 +175,21 @@ var ScrollSpy = function ($) {
     };
 
     ScrollSpy.prototype._getScrollTop = function _getScrollTop() {
-      return this._scrollElement === window ? this._scrollElement.scrollY : this._scrollElement.scrollTop;
+      return this._scrollElement === window ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop;
     };
 
     ScrollSpy.prototype._getScrollHeight = function _getScrollHeight() {
       return this._scrollElement.scrollHeight || Math.max(document.body.scrollHeight, document.documentElement.scrollHeight);
     };
 
+    ScrollSpy.prototype._getOffsetHeight = function _getOffsetHeight() {
+      return this._scrollElement === window ? window.innerHeight : this._scrollElement.offsetHeight;
+    };
+
     ScrollSpy.prototype._process = function _process() {
       var scrollTop = this._getScrollTop() + this._config.offset;
       var scrollHeight = this._getScrollHeight();
-      var maxScroll = this._config.offset + scrollHeight - this._scrollElement.offsetHeight;
+      var maxScroll = this._config.offset + scrollHeight - this._getOffsetHeight();
 
       if (this._scrollHeight !== scrollHeight) {
         this.refresh();
@@ -193,9 +201,10 @@ var ScrollSpy = function ($) {
         if (this._activeTarget !== target) {
           this._activate(target);
         }
+        return;
       }
 
-      if (this._activeTarget && scrollTop < this._offsets[0]) {
+      if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {
         this._activeTarget = null;
         this._clear();
         return;
@@ -228,7 +237,7 @@ var ScrollSpy = function ($) {
       } else {
         // todo (fat) this is kinda sus...
         // recursively add actives to tested nav-links
-        $link.parents(Selector.LI).find(Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
+        $link.parents(Selector.LI).find('> ' + Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
       }
 
       $(this._scrollElement).trigger(Event.ACTIVATE, {
@@ -245,7 +254,7 @@ var ScrollSpy = function ($) {
     ScrollSpy._jQueryInterface = function _jQueryInterface(config) {
       return this.each(function () {
         var data = $(this).data(DATA_KEY);
-        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config || null;
+        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config;
 
         if (!data) {
           data = new ScrollSpy(this, _config);
diff --git a/assets/javascripts/bootstrap/tab.js b/assets/javascripts/bootstrap/tab.js
index a38f48b..ba1b9c1 100644
--- a/assets/javascripts/bootstrap/tab.js
+++ b/assets/javascripts/bootstrap/tab.js
@@ -4,7 +4,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): tab.js
+ * Bootstrap (v4.0.0-alpha.6): tab.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -18,7 +18,7 @@ var Tab = function ($) {
    */
 
   var NAME = 'tab';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.tab';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -36,15 +36,16 @@ var Tab = function ($) {
   var ClassName = {
     DROPDOWN_MENU: 'dropdown-menu',
     ACTIVE: 'active',
+    DISABLED: 'disabled',
     FADE: 'fade',
-    IN: 'in'
+    SHOW: 'show'
   };
 
   var Selector = {
     A: 'a',
     LI: 'li',
     DROPDOWN: '.dropdown',
-    UL: 'ul:not(.dropdown-menu)',
+    LIST: 'ul:not(.dropdown-menu), ol:not(.dropdown-menu), nav:not(.dropdown-menu)',
     FADE_CHILD: '> .nav-item .fade, > .fade',
     ACTIVE: '.active',
     ACTIVE_CHILD: '> .nav-item > .active, > .active',
@@ -73,17 +74,17 @@ var Tab = function ($) {
     Tab.prototype.show = function show() {
       var _this = this;
 
-      if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).hasClass(ClassName.ACTIVE)) {
+      if (this._element.parentNode && this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).hasClass(ClassName.ACTIVE) || $(this._element).hasClass(ClassName.DISABLED)) {
         return;
       }
 
       var target = void 0;
       var previous = void 0;
-      var ulElement = $(this._element).closest(Selector.UL)[0];
+      var listElement = $(this._element).closest(Selector.LIST)[0];
       var selector = Util.getSelectorFromElement(this._element);
 
-      if (ulElement) {
-        previous = $.makeArray($(ulElement).find(Selector.ACTIVE));
+      if (listElement) {
+        previous = $.makeArray($(listElement).find(Selector.ACTIVE));
         previous = previous[previous.length - 1];
       }
 
@@ -109,7 +110,7 @@ var Tab = function ($) {
         target = $(selector)[0];
       }
 
-      this._activate(this._element, ulElement);
+      this._activate(this._element, listElement);
 
       var complete = function complete() {
         var hiddenEvent = $.Event(Event.HIDDEN, {
@@ -139,10 +140,14 @@ var Tab = function ($) {
     // private
 
     Tab.prototype._activate = function _activate(element, container, callback) {
+      var _this2 = this;
+
       var active = $(container).find(Selector.ACTIVE_CHILD)[0];
       var isTransitioning = callback && Util.supportsTransitionEnd() && (active && $(active).hasClass(ClassName.FADE) || Boolean($(container).find(Selector.FADE_CHILD)[0]));
 
-      var complete = $.proxy(this._transitionComplete, this, element, active, isTransitioning, callback);
+      var complete = function complete() {
+        return _this2._transitionComplete(element, active, isTransitioning, callback);
+      };
 
       if (active && isTransitioning) {
         $(active).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
@@ -151,7 +156,7 @@ var Tab = function ($) {
       }
 
       if (active) {
-        $(active).removeClass(ClassName.IN);
+        $(active).removeClass(ClassName.SHOW);
       }
     };
 
@@ -159,7 +164,7 @@ var Tab = function ($) {
       if (active) {
         $(active).removeClass(ClassName.ACTIVE);
 
-        var dropdownChild = $(active).find(Selector.DROPDOWN_ACTIVE_CHILD)[0];
+        var dropdownChild = $(active.parentNode).find(Selector.DROPDOWN_ACTIVE_CHILD)[0];
 
         if (dropdownChild) {
           $(dropdownChild).removeClass(ClassName.ACTIVE);
@@ -173,7 +178,7 @@ var Tab = function ($) {
 
       if (isTransitioning) {
         Util.reflow(element);
-        $(element).addClass(ClassName.IN);
+        $(element).addClass(ClassName.SHOW);
       } else {
         $(element).removeClass(ClassName.FADE);
       }
@@ -201,7 +206,7 @@ var Tab = function ($) {
         var data = $this.data(DATA_KEY);
 
         if (!data) {
-          data = data = new Tab(this);
+          data = new Tab(this);
           $this.data(DATA_KEY, data);
         }
 
diff --git a/assets/javascripts/bootstrap/tooltip.js b/assets/javascripts/bootstrap/tooltip.js
index 2d3f6b4..d261eab 100644
--- a/assets/javascripts/bootstrap/tooltip.js
+++ b/assets/javascripts/bootstrap/tooltip.js
@@ -6,7 +6,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): tooltip.js
+ * Bootstrap (v4.0.0-alpha.6): tooltip.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -17,7 +17,7 @@ var Tooltip = function ($) {
    * Check for Tether dependency
    * Tether - http://tether.io/
    */
-  if (window.Tether === undefined) {
+  if (typeof Tether === 'undefined') {
     throw new Error('Bootstrap tooltips require Tether (http://tether.io/)');
   }
 
@@ -28,7 +28,7 @@ var Tooltip = function ($) {
    */
 
   var NAME = 'tooltip';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.tooltip';
   var EVENT_KEY = '.' + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
@@ -45,7 +45,8 @@ var Tooltip = function ($) {
     selector: false,
     placement: 'top',
     offset: '0 0',
-    constraints: []
+    constraints: [],
+    container: false
   };
 
   var DefaultType = {
@@ -58,7 +59,8 @@ var Tooltip = function ($) {
     selector: '(string|boolean)',
     placement: '(string|function)',
     offset: 'string',
-    constraints: 'array'
+    constraints: 'array',
+    container: '(string|element|boolean)'
   };
 
   var AttachmentMap = {
@@ -69,7 +71,7 @@ var Tooltip = function ($) {
   };
 
   var HoverState = {
-    IN: 'in',
+    SHOW: 'show',
     OUT: 'out'
   };
 
@@ -88,7 +90,7 @@ var Tooltip = function ($) {
 
   var ClassName = {
     FADE: 'fade',
-    IN: 'in'
+    SHOW: 'show'
   };
 
   var Selector = {
@@ -123,6 +125,7 @@ var Tooltip = function ($) {
       this._timeout = 0;
       this._hoverState = '';
       this._activeTrigger = {};
+      this._isTransitioning = false;
       this._tether = null;
 
       // protected
@@ -168,7 +171,7 @@ var Tooltip = function ($) {
         }
       } else {
 
-        if ($(this.getTipElement()).hasClass(ClassName.IN)) {
+        if ($(this.getTipElement()).hasClass(ClassName.SHOW)) {
           this._leave(null, this);
           return;
         }
@@ -185,6 +188,7 @@ var Tooltip = function ($) {
       $.removeData(this.element, this.constructor.DATA_KEY);
 
       $(this.element).off(this.constructor.EVENT_KEY);
+      $(this.element).closest('.modal').off('hide.bs.modal');
 
       if (this.tip) {
         $(this.tip).remove();
@@ -204,9 +208,15 @@ var Tooltip = function ($) {
     Tooltip.prototype.show = function show() {
       var _this = this;
 
-      var showEvent = $.Event(this.constructor.Event.SHOW);
+      if ($(this.element).css('display') === 'none') {
+        throw new Error('Please use show on visible elements');
+      }
 
+      var showEvent = $.Event(this.constructor.Event.SHOW);
       if (this.isWithContent() && this._isEnabled) {
+        if (this._isTransitioning) {
+          throw new Error('Tooltip is transitioning');
+        }
         $(this.element).trigger(showEvent);
 
         var isInTheDom = $.contains(this.element.ownerDocument.documentElement, this.element);
@@ -231,7 +241,9 @@ var Tooltip = function ($) {
 
         var attachment = this._getAttachment(placement);
 
-        $(tip).data(this.constructor.DATA_KEY, this).appendTo(document.body);
+        var container = this.config.container === false ? document.body : $(this.config.container);
+
+        $(tip).data(this.constructor.DATA_KEY, this).appendTo(container);
 
         $(this.element).trigger(this.constructor.Event.INSERTED);
 
@@ -249,11 +261,12 @@ var Tooltip = function ($) {
         Util.reflow(tip);
         this._tether.position();
 
-        $(tip).addClass(ClassName.IN);
+        $(tip).addClass(ClassName.SHOW);
 
         var complete = function complete() {
           var prevHoverState = _this._hoverState;
           _this._hoverState = null;
+          _this._isTransitioning = false;
 
           $(_this.element).trigger(_this.constructor.Event.SHOWN);
 
@@ -263,6 +276,7 @@ var Tooltip = function ($) {
         };
 
         if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
+          this._isTransitioning = true;
           $(this.tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(Tooltip._TRANSITION_DURATION);
           return;
         }
@@ -276,13 +290,17 @@ var Tooltip = function ($) {
 
       var tip = this.getTipElement();
       var hideEvent = $.Event(this.constructor.Event.HIDE);
+      if (this._isTransitioning) {
+        throw new Error('Tooltip is transitioning');
+      }
       var complete = function complete() {
-        if (_this2._hoverState !== HoverState.IN && tip.parentNode) {
+        if (_this2._hoverState !== HoverState.SHOW && tip.parentNode) {
           tip.parentNode.removeChild(tip);
         }
 
         _this2.element.removeAttribute('aria-describedby');
         $(_this2.element).trigger(_this2.constructor.Event.HIDDEN);
+        _this2._isTransitioning = false;
         _this2.cleanupTether();
 
         if (callback) {
@@ -296,10 +314,14 @@ var Tooltip = function ($) {
         return;
       }
 
-      $(tip).removeClass(ClassName.IN);
+      $(tip).removeClass(ClassName.SHOW);
 
-      if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
+      this._activeTrigger[Trigger.CLICK] = false;
+      this._activeTrigger[Trigger.FOCUS] = false;
+      this._activeTrigger[Trigger.HOVER] = false;
 
+      if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
+        this._isTransitioning = true;
         $(tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
       } else {
         complete();
@@ -323,7 +345,7 @@ var Tooltip = function ($) {
 
       this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle());
 
-      $tip.removeClass(ClassName.FADE).removeClass(ClassName.IN);
+      $tip.removeClass(ClassName.FADE + ' ' + ClassName.SHOW);
 
       this.cleanupTether();
     };
@@ -373,13 +395,23 @@ var Tooltip = function ($) {
 
       triggers.forEach(function (trigger) {
         if (trigger === 'click') {
-          $(_this3.element).on(_this3.constructor.Event.CLICK, _this3.config.selector, $.proxy(_this3.toggle, _this3));
+          $(_this3.element).on(_this3.constructor.Event.CLICK, _this3.config.selector, function (event) {
+            return _this3.toggle(event);
+          });
         } else if (trigger !== Trigger.MANUAL) {
           var eventIn = trigger === Trigger.HOVER ? _this3.constructor.Event.MOUSEENTER : _this3.constructor.Event.FOCUSIN;
           var eventOut = trigger === Trigger.HOVER ? _this3.constructor.Event.MOUSELEAVE : _this3.constructor.Event.FOCUSOUT;
 
-          $(_this3.element).on(eventIn, _this3.config.selector, $.proxy(_this3._enter, _this3)).on(eventOut, _this3.config.selector, $.proxy(_this3._leave, _this3));
+          $(_this3.element).on(eventIn, _this3.config.selector, function (event) {
+            return _this3._enter(event);
+          }).on(eventOut, _this3.config.selector, function (event) {
+            return _this3._leave(event);
+          });
         }
+
+        $(_this3.element).closest('.modal').on('hide.bs.modal', function () {
+          return _this3.hide();
+        });
       });
 
       if (this.config.selector) {
@@ -414,14 +446,14 @@ var Tooltip = function ($) {
         context._activeTrigger[event.type === 'focusin' ? Trigger.FOCUS : Trigger.HOVER] = true;
       }
 
-      if ($(context.getTipElement()).hasClass(ClassName.IN) || context._hoverState === HoverState.IN) {
-        context._hoverState = HoverState.IN;
+      if ($(context.getTipElement()).hasClass(ClassName.SHOW) || context._hoverState === HoverState.SHOW) {
+        context._hoverState = HoverState.SHOW;
         return;
       }
 
       clearTimeout(context._timeout);
 
-      context._hoverState = HoverState.IN;
+      context._hoverState = HoverState.SHOW;
 
       if (!context.config.delay || !context.config.delay.show) {
         context.show();
@@ -429,7 +461,7 @@ var Tooltip = function ($) {
       }
 
       context._timeout = setTimeout(function () {
-        if (context._hoverState === HoverState.IN) {
+        if (context._hoverState === HoverState.SHOW) {
           context.show();
         }
       }, context.config.delay.show);
@@ -513,7 +545,7 @@ var Tooltip = function ($) {
     Tooltip._jQueryInterface = function _jQueryInterface(config) {
       return this.each(function () {
         var data = $(this).data(DATA_KEY);
-        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' ? config : null;
+        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' && config;
 
         if (!data && /dispose|hide/.test(config)) {
           return;
diff --git a/assets/javascripts/bootstrap/util.js b/assets/javascripts/bootstrap/util.js
index 6bb47a7..890b05d 100644
--- a/assets/javascripts/bootstrap/util.js
+++ b/assets/javascripts/bootstrap/util.js
@@ -1,6 +1,6 @@
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): util.js
+ * Bootstrap (v4.0.0-alpha.6): util.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -55,7 +55,9 @@ var Util = function ($) {
 
     for (var name in TransitionEndEvent) {
       if (el.style[name] !== undefined) {
-        return { end: TransitionEndEvent[name] };
+        return {
+          end: TransitionEndEvent[name]
+        };
       }
     }
 
@@ -102,9 +104,8 @@ var Util = function ($) {
 
     getUID: function getUID(prefix) {
       do {
-        /* eslint-disable no-bitwise */
+        // eslint-disable-next-line no-bitwise
         prefix += ~~(Math.random() * MAX_UID); // "~~" acts like a faster Math.floor() here
-        /* eslint-enable no-bitwise */
       } while (document.getElementById(prefix));
       return prefix;
     },
@@ -119,7 +120,7 @@ var Util = function ($) {
       return selector;
     },
     reflow: function reflow(element) {
-      new Function('bs', 'return bs')(element.offsetHeight);
+      return element.offsetHeight;
     },
     triggerTransitionEnd: function triggerTransitionEnd(element) {
       $(element).trigger(transition.end);
@@ -132,13 +133,7 @@ var Util = function ($) {
         if (configTypes.hasOwnProperty(property)) {
           var expectedTypes = configTypes[property];
           var value = config[property];
-          var valueType = void 0;
-
-          if (value && isElement(value)) {
-            valueType = 'element';
-          } else {
-            valueType = toType(value);
-          }
+          var valueType = value && isElement(value) ? 'element' : toType(value);
 
           if (!new RegExp(expectedTypes).test(valueType)) {
             throw new Error(componentName.toUpperCase() + ': ' + ('Option "' + property + '" provided type "' + valueType + '" ') + ('but expected type "' + expectedTypes + '".'));