rake update[v4.0.0-beta.2]

34 files changed, 268 insertions, 202 deletions

diff --git a/assets/javascripts/bootstrap-sprockets.js b/assets/javascripts/bootstrap-sprockets.js
index 2a56362..563191f 100644
--- a/assets/javascripts/bootstrap-sprockets.js
+++ b/assets/javascripts/bootstrap-sprockets.js
@@ -1,11 +1,11 @@
 //= require ./bootstrap/util
+//= require ./bootstrap/alert
+//= require ./bootstrap/dropdown
+//= require ./bootstrap/tab
+//= require ./bootstrap/modal
 //= require ./bootstrap/tooltip
 //= require ./bootstrap/popover
-//= require ./bootstrap/dropdown
+//= require ./bootstrap/carousel
 //= require ./bootstrap/button
-//= require ./bootstrap/collapse
-//= require ./bootstrap/tab
 //= require ./bootstrap/scrollspy
-//= require ./bootstrap/carousel
-//= require ./bootstrap/modal
-//= require ./bootstrap/alert
+//= require ./bootstrap/collapse
diff --git a/assets/javascripts/bootstrap.js b/assets/javascripts/bootstrap.js
index b4cada0..630a9e0 100644
--- a/assets/javascripts/bootstrap.js
+++ b/assets/javascripts/bootstrap.js
@@ -1,5 +1,5 @@
 /*!
-  * Bootstrap v4.0.0-beta (https://getbootstrap.com)
+  * Bootstrap v4.0.0-beta.2 (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)
   */
@@ -11,7 +11,7 @@ Popper = Popper && Popper.hasOwnProperty('default') ? Popper['default'] : Popper
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): util.js
+ * Bootstrap (v4.0.0-beta.2): util.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -150,7 +150,7 @@ var Util = function () {
   };
   setTransitionEndSupport();
   return Util;
-}(jQuery);
+}($);
 
 function _defineProperties(target, props) {
   for (var i = 0; i < props.length; i++) {
@@ -180,7 +180,7 @@ var inheritsLoose = _inheritsLoose;
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): alert.js
+ * Bootstrap (v4.0.0-beta.2): alert.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -192,7 +192,7 @@ var Alert = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'alert';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.alert';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -348,11 +348,11 @@ var Alert = function () {
   };
 
   return Alert;
-}(jQuery);
+}($);
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): button.js
+ * Bootstrap (v4.0.0-beta.2): button.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -364,7 +364,7 @@ var Button = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'button';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.button';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -511,11 +511,11 @@ var Button = function () {
   };
 
   return Button;
-}(jQuery);
+}($);
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): carousel.js
+ * Bootstrap (v4.0.0-beta.2): carousel.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -527,7 +527,7 @@ var Carousel = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'carousel';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.carousel';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -1011,11 +1011,11 @@ var Carousel = function () {
   };
 
   return Carousel;
-}(jQuery);
+}($);
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): collapse.js
+ * Bootstrap (v4.0.0-beta.2): collapse.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -1027,7 +1027,7 @@ var Collapse = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'collapse';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.collapse';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -1378,11 +1378,11 @@ var Collapse = function () {
   };
 
   return Collapse;
-}(jQuery);
+}($);
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): dropdown.js
+ * Bootstrap (v4.0.0-beta.2): dropdown.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -1403,7 +1403,7 @@ var Dropdown = function () {
 
 
   var NAME = 'dropdown';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.dropdown';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -1456,7 +1456,7 @@ var Dropdown = function () {
     flip: true
   };
   var DefaultType = {
-    offset: '(number|string)',
+    offset: '(number|string|function)',
     flip: 'boolean'
     /**
      * ------------------------------------------------------------------------
@@ -1604,12 +1604,23 @@ var Dropdown = function () {
     };
 
     _proto._getPopperConfig = function _getPopperConfig() {
+      var _this2 = this;
+
+      var offsetConf = {};
+
+      if (typeof this._config.offset === 'function') {
+        offsetConf.fn = function (data) {
+          data.offsets = $.extend({}, data.offsets, _this2._config.offset(data.offsets) || {});
+          return data;
+        };
+      } else {
+        offsetConf.offset = this._config.offset;
+      }
+
       var popperConfig = {
         placement: this._getPlacement(),
         modifiers: {
-          offset: {
-            offset: this._config.offset
-          },
+          offset: offsetConf,
           flip: {
             enabled: this._config.flip
           }
@@ -1806,11 +1817,11 @@ var Dropdown = function () {
   };
 
   return Dropdown;
-}(jQuery, Popper);
+}($, Popper);
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): modal.js
+ * Bootstrap (v4.0.0-beta.2): modal.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -1822,7 +1833,7 @@ var Modal = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'modal';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.modal';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -1904,7 +1915,7 @@ var Modal = function () {
     _proto.show = function show(relatedTarget) {
       var _this = this;
 
-      if (this._isTransitioning) {
+      if (this._isTransitioning || this._isShown) {
         return;
       }
 
@@ -1962,12 +1973,6 @@ var Modal = function () {
         return;
       }
 
-      var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
-
-      if (transition) {
-        this._isTransitioning = true;
-      }
-
       var hideEvent = $.Event(Event.HIDE);
       $(this._element).trigger(hideEvent);
 
@@ -1976,6 +1981,11 @@ var Modal = function () {
       }
 
       this._isShown = false;
+      var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
+
+      if (transition) {
+        this._isTransitioning = true;
+      }
 
       this._setEscapeEvent();
 
@@ -2383,11 +2393,11 @@ var Modal = function () {
   };
 
   return Modal;
-}(jQuery);
+}($);
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): tooltip.js
+ * Bootstrap (v4.0.0-beta.2): tooltip.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -2408,7 +2418,7 @@ var Tooltip = function () {
 
 
   var NAME = 'tooltip';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.tooltip';
   var EVENT_KEY = "." + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
@@ -3044,11 +3054,11 @@ var Tooltip = function () {
   };
 
   return Tooltip;
-}(jQuery, Popper);
+}($, Popper);
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): popover.js
+ * Bootstrap (v4.0.0-beta.2): popover.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -3060,7 +3070,7 @@ var Popover = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'popover';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.popover';
   var EVENT_KEY = "." + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
@@ -3230,11 +3240,11 @@ var Popover = function () {
   };
 
   return Popover;
-}(jQuery);
+}($);
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): scrollspy.js
+ * Bootstrap (v4.0.0-beta.2): scrollspy.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -3246,7 +3256,7 @@ var ScrollSpy = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'scrollspy';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.scrollspy';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -3541,11 +3551,11 @@ var ScrollSpy = function () {
   };
 
   return ScrollSpy;
-}(jQuery);
+}($);
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): tab.js
+ * Bootstrap (v4.0.0-beta.2): tab.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -3557,7 +3567,7 @@ var Tab = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'tab';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.tab';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -3796,7 +3806,7 @@ var Tab = function () {
   };
 
   return Tab;
-}(jQuery);
+}($);
 
 /**
  * --------------------------------------------------------------------------
@@ -3806,18 +3816,21 @@ var Tab = function () {
  */
 
 (function () {
-  if (typeof jQuery === 'undefined') {
+  if (typeof $ === 'undefined') {
     throw new Error('Bootstrap\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\'s JavaScript.');
   }
 
   var version = $.fn.jquery.split(' ')[0].split('.');
-  var min = 3;
-  var max = 4;
-
-  if (version[0] < min || version[0] >= max) {
-    throw new Error('Bootstrap\'s JavaScript requires at least jQuery v3.0.0 but less than v4.0.0');
+  var minMajor = 1;
+  var ltMajor = 2;
+  var minMinor = 9;
+  var minPatch = 1;
+  var maxMajor = 4;
+
+  if (version[0] < ltMajor && version[1] < minMinor || version[0] === minMajor && version[1] === minMinor && version[2] < minPatch || version[0] >= maxMajor) {
+    throw new Error('Bootstrap\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0');
   }
-})(jQuery);
+})($);
 
 exports.Util = Util;
 exports.Alert = Alert;
@@ -3834,3 +3847,4 @@ exports.Tooltip = Tooltip;
 return exports;
 
 }({},$,Popper));
+//# sourceMappingURL=bootstrap.js.map
diff --git a/assets/javascripts/bootstrap.min.js b/assets/javascripts/bootstrap.min.js
index 1db5575..27aace3 100644
--- a/assets/javascripts/bootstrap.min.js
+++ b/assets/javascripts/bootstrap.min.js
@@ -1,6 +1,7 @@
 /*!
-  * Bootstrap v4.0.0-beta (https://getbootstrap.com)
+  * Bootstrap v4.0.0-beta.2 (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)
   */
-var bootstrap=function(t,e,n){"use strict";function i(t,e){for(var n=0;n<e.length;n++){var i=e[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}e=e&&e.hasOwnProperty("default")?e.default:e,n=n&&n.hasOwnProperty("default")?n.default:n;var s=function(){function t(t){return{}.toString.call(t).match(/\s([a-zA-Z]+)/)[1].toLowerCase()}function n(){return{bindType:r.end,delegateType:r.end,handle:function(t){if(e(t.target).is(this))return t.handleObj.handler.apply(this,arguments)}}}function i(){if(window.QUnit)return!1;var t=document.createElement("bootstrap");for(var e in o)if("undefined"!=typeof t.style[e])return{end:o[e]};return!1}function s(t){var n=this,i=!1;return e(this).one(a.TRANSITION_END,function(){i=!0}),setTimeout(function(){i||a.triggerTransitionEnd(n)},t),this}var r=!1,o={WebkitTransition:"webkitTransitionEnd",MozTransition:"transitionend",OTransition:"oTransitionEnd otransitionend",transition:"transitionend"},a={TRANSITION_END:"bsTransitionEnd",getUID:function(t){do{t+=~~(1e6*Math.random())}while(document.getElementById(t));return t},getSelectorFromElement:function(t){var n=t.getAttribute("data-target");n&&"#"!==n||(n=t.getAttribute("href")||"");try{return e(document).find(n).length>0?n:null}catch(t){return null}},reflow:function(t){return t.offsetHeight},triggerTransitionEnd:function(t){e(t).trigger(r.end)},supportsTransitionEnd:function(){return Boolean(r)},isElement:function(t){return(t[0]||t).nodeType},typeCheckConfig:function(e,n,i){for(var s in i)if(Object.prototype.hasOwnProperty.call(i,s)){var r=i[s],o=n[s],l=o&&a.isElement(o)?"element":t(o);if(!new RegExp(r).test(l))throw new Error(e.toUpperCase()+': Option "'+s+'" provided type "'+l+'" but expected type "'+r+'".')}}};return r=i(),e.fn.emulateTransitionEnd=s,a.supportsTransitionEnd()&&(e.event.special[a.TRANSITION_END]=n()),a}(jQuery),r=function(t,e,n){return e&&i(t.prototype,e),n&&i(t,n),t},o=function(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,t.__proto__=e},a=function(){var t="alert",n=e.fn[t],i={DISMISS:'[data-dismiss="alert"]'},o={CLOSE:"close.bs.alert",CLOSED:"closed.bs.alert",CLICK_DATA_API:"click.bs.alert.data-api"},a={ALERT:"alert",FADE:"fade",SHOW:"show"},l=function(){function t(t){this._element=t}var n=t.prototype;return n.close=function(t){t=t||this._element;var e=this._getRootElement(t);this._triggerCloseEvent(e).isDefaultPrevented()||this._removeElement(e)},n.dispose=function(){e.removeData(this._element,"bs.alert"),this._element=null},n._getRootElement=function(t){var n=s.getSelectorFromElement(t),i=!1;return n&&(i=e(n)[0]),i||(i=e(t).closest("."+a.ALERT)[0]),i},n._triggerCloseEvent=function(t){var n=e.Event(o.CLOSE);return e(t).trigger(n),n},n._removeElement=function(t){var n=this;e(t).removeClass(a.SHOW),s.supportsTransitionEnd()&&e(t).hasClass(a.FADE)?e(t).one(s.TRANSITION_END,function(e){return n._destroyElement(t,e)}).emulateTransitionEnd(150):this._destroyElement(t)},n._destroyElement=function(t){e(t).detach().trigger(o.CLOSED).remove()},t._jQueryInterface=function(n){return this.each(function(){var i=e(this),s=i.data("bs.alert");s||(s=new t(this),i.data("bs.alert",s)),"close"===n&&s[n](this)})},t._handleDismiss=function(t){return function(e){e&&e.preventDefault(),t.close(this)}},r(t,null,[{key:"VERSION",get:function(){return"4.0.0-beta"}}]),t}();return e(document).on(o.CLICK_DATA_API,i.DISMISS,l._handleDismiss(new l)),e.fn[t]=l._jQueryInterface,e.fn[t].Constructor=l,e.fn[t].noConflict=function(){return e.fn[t]=n,l._jQueryInterface},l}(jQuery),l=function(){var t="button",n=e.fn[t],i={ACTIVE:"active",BUTTON:"btn",FOCUS:"focus"},s={DATA_TOGGLE_CARROT:'[data-toggle^="button"]',DATA_TOGGLE:'[data-toggle="buttons"]',INPUT:"input",ACTIVE:".active",BUTTON:".btn"},o={CLICK_DATA_API:"click.bs.button.data-api",FOCUS_BLUR_DATA_API:"focus.bs.button.data-api blur.bs.button.data-api"},a=function(){function t(t){this._element=t}var n=t.prototype;return n.toggle=function(){var t=!0,n=!0,r=e(this._element).closest(s.DATA_TOGGLE)[0];if(r){var o=e(this._element).find(s.INPUT)[0];if(o){if("radio"===o.type)if(o.checked&&e(this._element).hasClass(i.ACTIVE))t=!1;else{var a=e(r).find(s.ACTIVE)[0];a&&e(a).removeClass(i.ACTIVE)}if(t){if(o.hasAttribute("disabled")||r.hasAttribute("disabled")||o.classList.contains("disabled")||r.classList.contains("disabled"))return;o.checked=!e(this._element).hasClass(i.ACTIVE),e(o).trigger("change")}o.focus(),n=!1}}n&&this._element.setAttribute("aria-pressed",!e(this._element).hasClass(i.ACTIVE)),t&&e(this._element).toggleClass(i.ACTIVE)},n.dispose=function(){e.removeData(this._element,"bs.button"),this._element=null},t._jQueryInterface=function(n){return this.each(function(){var i=e(this).data("bs.button");i||(i=new t(this),e(this).data("bs.button",i)),"toggle"===n&&i[n]()})},r(t,null,[{key:"VERSION",get:function(){return"4.0.0-beta"}}]),t}();return e(document).on(o.CLICK_DATA_API,s.DATA_TOGGLE_CARROT,function(t){t.preventDefault();var n=t.target;e(n).hasClass(i.BUTTON)||(n=e(n).closest(s.BUTTON)),a._jQueryInterface.call(e(n),"toggle")}).on(o.FOCUS_BLUR_DATA_API,s.DATA_TOGGLE_CARROT,function(t){var n=e(t.target).closest(s.BUTTON)[0];e(n).toggleClass(i.FOCUS,/^focus(in)?$/.test(t.type))}),e.fn[t]=a._jQueryInterface,e.fn[t].Constructor=a,e.fn[t].noConflict=function(){return e.fn[t]=n,a._jQueryInterface},a}(jQuery),h=function(){var t="carousel",n="bs.carousel",i="."+n,o=e.fn[t],a={interval:5e3,keyboard:!0,slide:!1,pause:"hover",wrap:!0},l={interval:"(number|boolean)",keyboard:"boolean",slide:"(boolean|string)",pause:"(string|boolean)",wrap:"boolean"},h={NEXT:"next",PREV:"prev",LEFT:"left",RIGHT:"right"},c={SLIDE:"slide"+i,SLID:"slid"+i,KEYDOWN:"keydown"+i,MOUSEENTER:"mouseenter"+i,MOUSELEAVE:"mouseleave"+i,TOUCHEND:"touchend"+i,LOAD_DATA_API:"load.bs.carousel.data-api",CLICK_DATA_API:"click.bs.carousel.data-api"},u={CAROUSEL:"carousel",ACTIVE:"active",SLIDE:"slide",RIGHT:"carousel-item-right",LEFT:"carousel-item-left",NEXT:"carousel-item-next",PREV:"carousel-item-prev",ITEM:"carousel-item"},d={ACTIVE:".active",ACTIVE_ITEM:".active.carousel-item",ITEM:".carousel-item",NEXT_PREV:".carousel-item-next, .carousel-item-prev",INDICATORS:".carousel-indicators",DATA_SLIDE:"[data-slide], [data-slide-to]",DATA_RIDE:'[data-ride="carousel"]'},f=function(){function o(t,n){this._items=null,this._interval=null,this._activeElement=null,this._isPaused=!1,this._isSliding=!1,this.touchTimeout=null,this._config=this._getConfig(n),this._element=e(t)[0],this._indicatorsElement=e(this._element).find(d.INDICATORS)[0],this._addEventListeners()}var f=o.prototype;return f.next=function(){this._isSliding||this._slide(h.NEXT)},f.nextWhenVisible=function(){!document.hidden&&e(this._element).is(":visible")&&"hidden"!==e(this._element).css("visibility")&&this.next()},f.prev=function(){this._isSliding||this._slide(h.PREV)},f.pause=function(t){t||(this._isPaused=!0),e(this._element).find(d.NEXT_PREV)[0]&&s.supportsTransitionEnd()&&(s.triggerTransitionEnd(this._element),this.cycle(!0)),clearInterval(this._interval),this._interval=null},f.cycle=function(t){t||(this._isPaused=!1),this._interval&&(clearInterval(this._interval),this._interval=null),this._config.interval&&!this._isPaused&&(this._interval=setInterval((document.visibilityState?this.nextWhenVisible:this.next).bind(this),this._config.interval))},f.to=function(t){var n=this;this._activeElement=e(this._element).find(d.ACTIVE_ITEM)[0];var i=this._getItemIndex(this._activeElement);if(!(t>this._items.length-1||t<0))if(this._isSliding)e(this._element).one(c.SLID,function(){return n.to(t)});else{if(i===t)return this.pause(),void this.cycle();var s=t>i?h.NEXT:h.PREV;this._slide(s,this._items[t])}},f.dispose=function(){e(this._element).off(i),e.removeData(this._element,n),this._items=null,this._config=null,this._element=null,this._interval=null,this._isPaused=null,this._isSliding=null,this._activeElement=null,this._indicatorsElement=null},f._getConfig=function(n){return n=e.extend({},a,n),s.typeCheckConfig(t,n,l),n},f._addEventListeners=function(){var t=this;this._config.keyboard&&e(this._element).on(c.KEYDOWN,function(e){return t._keydown(e)}),"hover"===this._config.pause&&(e(this._element).on(c.MOUSEENTER,function(e){return t.pause(e)}).on(c.MOUSELEAVE,function(e){return t.cycle(e)}),"ontouchstart"in document.documentElement&&e(this._element).on(c.TOUCHEND,function(){t.pause(),t.touchTimeout&&clearTimeout(t.touchTimeout),t.touchTimeout=setTimeout(function(e){return 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n=this._indicatorsElement.children[this._getItemIndex(t)];n&&e(n).addClass(u.ACTIVE)}},f._slide=function(t,n){var i,r,o,a=this,l=e(this._element).find(d.ACTIVE_ITEM)[0],f=this._getItemIndex(l),_=n||l&&this._getItemByDirection(t,l),g=this._getItemIndex(_),m=Boolean(this._interval);if(t===h.NEXT?(i=u.LEFT,r=u.NEXT,o=h.LEFT):(i=u.RIGHT,r=u.PREV,o=h.RIGHT),_&&e(_).hasClass(u.ACTIVE))this._isSliding=!1;else if(!this._triggerSlideEvent(_,o).isDefaultPrevented()&&l&&_){this._isSliding=!0,m&&this.pause(),this._setActiveIndicatorElement(_);var p=e.Event(c.SLID,{relatedTarget:_,direction:o,from:f,to:g});s.supportsTransitionEnd()&&e(this._element).hasClass(u.SLIDE)?(e(_).addClass(r),s.reflow(_),e(l).addClass(i),e(_).addClass(i),e(l).one(s.TRANSITION_END,function(){e(_).removeClass(i+" "+r).addClass(u.ACTIVE),e(l).removeClass(u.ACTIVE+" "+r+" "+i),a._isSliding=!1,setTimeout(function(){return 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i(t,n){this._isTransitioning=!1,this._element=t,this._config=this._getConfig(n),this._triggerArray=e.makeArray(e('[data-toggle="collapse"][href="#'+t.id+'"],[data-toggle="collapse"][data-target="#'+t.id+'"]'));for(var i=e(u.DATA_TOGGLE),r=0;r<i.length;r++){var o=i[r],a=s.getSelectorFromElement(o);null!==a&&e(a).filter(t).length>0&&this._triggerArray.push(o)}this._parent=this._config.parent?this._getParent():null,this._config.parent||this._addAriaAndCollapsedClass(this._element,this._triggerArray),this._config.toggle&&this.toggle()}var d=i.prototype;return d.toggle=function(){e(this._element).hasClass(h.SHOW)?this.hide():this.show()},d.show=function(){var t=this;if(!this._isTransitioning&&!e(this._element).hasClass(h.SHOW)){var r,o;if(this._parent&&((r=e.makeArray(e(this._parent).children().children(u.ACTIVES))).length||(r=null)),!(r&&(o=e(r).data(n))&&o._isTransitioning)){var a=e.Event(l.SHOW);if(e(this._element).trigger(a),!a.isDefaultPrevented()){r&&(i._jQueryInterface.call(e(r),"hide"),o||e(r).data(n,null));var c=this._getDimension();e(this._element).removeClass(h.COLLAPSE).addClass(h.COLLAPSING),this._element.style[c]=0,this._triggerArray.length&&e(this._triggerArray).removeClass(h.COLLAPSED).attr("aria-expanded",!0),this.setTransitioning(!0);var d=function(){e(t._element).removeClass(h.COLLAPSING).addClass(h.COLLAPSE).addClass(h.SHOW),t._element.style[c]="",t.setTransitioning(!1),e(t._element).trigger(l.SHOWN)};if(s.supportsTransitionEnd()){var f="scroll"+(c[0].toUpperCase()+c.slice(1));e(this._element).one(s.TRANSITION_END,d).emulateTransitionEnd(600),this._element.style[c]=this._element[f]+"px"}else d()}}}},d.hide=function(){var t=this;if(!this._isTransitioning&&e(this._element).hasClass(h.SHOW)){var n=e.Event(l.HIDE);if(e(this._element).trigger(n),!n.isDefaultPrevented()){var i=this._getDimension();if(this._element.style[i]=this._element.getBoundingClientRect()[i]+"px",s.reflow(this._element),e(this._element).addClass(h.COLLAPSING).removeClass(h.COLLAPSE).removeClass(h.SHOW),this._triggerArray.length)for(var r=0;r<this._triggerArray.length;r++){var o=this._triggerArray[r],a=s.getSelectorFromElement(o);null!==a&&(e(a).hasClass(h.SHOW)||e(o).addClass(h.COLLAPSED).attr("aria-expanded",!1))}this.setTransitioning(!0);var c=function(){t.setTransitioning(!1),e(t._element).removeClass(h.COLLAPSING).addClass(h.COLLAPSE).trigger(l.HIDDEN)};this._element.style[i]="",s.supportsTransitionEnd()?e(this._element).one(s.TRANSITION_END,c).emulateTransitionEnd(600):c()}}},d.setTransitioning=function(t){this._isTransitioning=t},d.dispose=function(){e.removeData(this._element,n),this._config=null,this._parent=null,this._element=null,this._triggerArray=null,this._isTransitioning=null},d._getConfig=function(n){return 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t=a._getParentFromElement(this._element),i=e(this._menu).hasClass(c.SHOW);if(a._clearMenus(),!i){var s={relatedTarget:this._element},r=e.Event(h.SHOW,s);if(e(t).trigger(r),!r.isDefaultPrevented()){var o=this._element;e(t).hasClass(c.DROPUP)&&(e(this._menu).hasClass(c.MENULEFT)||e(this._menu).hasClass(c.MENURIGHT))&&(o=t),this._popper=new n(o,this._menu,this._getPopperConfig()),"ontouchstart"in document.documentElement&&!e(t).closest(u.NAVBAR_NAV).length&&e("body").children().on("mouseover",null,e.noop),this._element.focus(),this._element.setAttribute("aria-expanded",!0),e(this._menu).toggleClass(c.SHOW),e(t).toggleClass(c.SHOW).trigger(e.Event(h.SHOWN,s))}}}},g.dispose=function(){e.removeData(this._element,i),e(this._element).off(o),this._element=null,this._menu=null,null!==this._popper&&this._popper.destroy(),this._popper=null},g.update=function(){this._inNavbar=this._detectNavbar(),null!==this._popper&&this._popper.scheduleUpdate()},g._addEventListeners=function(){var t=this;e(this._element).on(h.CLICK,function(e){e.preventDefault(),e.stopPropagation(),t.toggle()})},g._getConfig=function(n){return n=e.extend({},this.constructor.Default,e(this._element).data(),n),s.typeCheckConfig(t,n,this.constructor.DefaultType),n},g._getMenuElement=function(){if(!this._menu){var t=a._getParentFromElement(this._element);this._menu=e(t).find(u.MENU)[0]}return this._menu},g._getPlacement=function(){var t=e(this._element).parent(),n=d.BOTTOM;return t.hasClass(c.DROPUP)?(n=d.TOP,e(this._menu).hasClass(c.MENURIGHT)&&(n=d.TOPEND)):e(this._menu).hasClass(c.MENURIGHT)&&(n=d.BOTTOMEND),n},g._detectNavbar=function(){return e(this._element).closest(".navbar").length>0},g._getPopperConfig=function(){var t={placement:this._getPlacement(),modifiers:{offset:{offset:this._config.offset},flip:{enabled:this._config.flip}}};return this._inNavbar&&(t.modifiers.applyStyle={enabled:!this._inNavbar}),t},a._jQueryInterface=function(t){return this.each(function(){var n=e(this).data(i),s="object"==typeof t?t:null;if(n||(n=new a(this,s),e(this).data(i,n)),"string"==typeof t){if("undefined"==typeof n[t])throw new Error('No method named "'+t+'"');n[t]()}})},a._clearMenus=function(t){if(!t||3!==t.which&&("keyup"!==t.type||9===t.which))for(var n=e.makeArray(e(u.DATA_TOGGLE)),s=0;s<n.length;s++){var r=a._getParentFromElement(n[s]),o=e(n[s]).data(i),l={relatedTarget:n[s]};if(o){var d=o._menu;if(e(r).hasClass(c.SHOW)&&!(t&&("click"===t.type&&/input|textarea/i.test(t.target.tagName)||"keyup"===t.type&&9===t.which)&&e.contains(r,t.target))){var f=e.Event(h.HIDE,l);e(r).trigger(f),f.isDefaultPrevented()||("ontouchstart"in document.documentElement&&e("body").children().off("mouseover",null,e.noop),n[s].setAttribute("aria-expanded","false"),e(d).removeClass(c.SHOW),e(r).removeClass(c.SHOW).trigger(e.Event(h.HIDDEN,l)))}}}},a._getParentFromElement=function(t){var n,i=s.getSelectorFromElement(t);return i&&(n=e(i)[0]),n||t.parentNode},a._dataApiKeydownHandler=function(t){if(!(!l.test(t.which)||/button/i.test(t.target.tagName)&&32===t.which||/input|textarea/i.test(t.target.tagName)||(t.preventDefault(),t.stopPropagation(),this.disabled||e(this).hasClass(c.DISABLED)))){var n=a._getParentFromElement(this),i=e(n).hasClass(c.SHOW);if((i||27===t.which&&32===t.which)&&(!i||27!==t.which&&32!==t.which)){var s=e(n).find(u.VISIBLE_ITEMS).get();if(s.length){var r=s.indexOf(t.target);38===t.which&&r>0&&r--,40===t.which&&r<s.length-1&&r++,r<0&&(r=0),s[r].focus()}}else{if(27===t.which){var o=e(n).find(u.DATA_TOGGLE)[0];e(o).trigger("focus")}e(this).trigger("click")}}},r(a,null,[{key:"VERSION",get:function(){return"4.0.0-beta"}},{key:"Default",get:function(){return f}},{key:"DefaultType",get:function(){return _}}]),a}();return e(document).on(h.KEYDOWN_DATA_API,u.DATA_TOGGLE,g._dataApiKeydownHandler).on(h.KEYDOWN_DATA_API,u.MENU,g._dataApiKeydownHandler).on(h.CLICK_DATA_API+" "+h.KEYUP_DATA_API,g._clearMenus).on(h.CLICK_DATA_API,u.DATA_TOGGLE,function(t){t.preventDefault(),t.stopPropagation(),g._jQueryInterface.call(e(this),"toggle")}).on(h.CLICK_DATA_API,u.FORM_CHILD,function(t){t.stopPropagation()}),e.fn[t]=g._jQueryInterface,e.fn[t].Constructor=g,e.fn[t].noConflict=function(){return e.fn[t]=a,g._jQueryInterface},g}(jQuery),d=function(){var t="modal",n=".bs.modal",i=e.fn[t],o={backdrop:!0,keyboard:!0,focus:!0,show:!0},a={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},l={HIDE:"hide.bs.modal",HIDDEN:"hidden.bs.modal",SHOW:"show.bs.modal",SHOWN:"shown.bs.modal",FOCUSIN:"focusin.bs.modal",RESIZE:"resize.bs.modal",CLICK_DISMISS:"click.dismiss.bs.modal",KEYDOWN_DISMISS:"keydown.dismiss.bs.modal",MOUSEUP_DISMISS:"mouseup.dismiss.bs.modal",MOUSEDOWN_DISMISS:"mousedown.dismiss.bs.modal",CLICK_DATA_API:"click.bs.modal.data-api"},h={SCROLLBAR_MEASURER:"modal-scrollbar-measure",BACKDROP:"modal-backdrop",OPEN:"modal-open",FADE:"fade",SHOW:"show"},c={DIALOG:".modal-dialog",DATA_TOGGLE:'[data-toggle="modal"]',DATA_DISMISS:'[data-dismiss="modal"]',FIXED_CONTENT:".fixed-top, .fixed-bottom, .is-fixed, .sticky-top",STICKY_CONTENT:".sticky-top",NAVBAR_TOGGLER:".navbar-toggler"},u=function(){function i(t,n){this._config=this._getConfig(n),this._element=t,this._dialog=e(t).find(c.DIALOG)[0],this._backdrop=null,this._isShown=!1,this._isBodyOverflowing=!1,this._ignoreBackdropClick=!1,this._originalBodyPadding=0,this._scrollbarWidth=0}var u=i.prototype;return u.toggle=function(t){return this._isShown?this.hide():this.show(t)},u.show=function(t){var n=this;if(!this._isTransitioning){s.supportsTransitionEnd()&&e(this._element).hasClass(h.FADE)&&(this._isTransitioning=!0);var i=e.Event(l.SHOW,{relatedTarget:t});e(this._element).trigger(i),this._isShown||i.isDefaultPrevented()||(this._isShown=!0,this._checkScrollbar(),this._setScrollbar(),this._adjustDialog(),e(document.body).addClass(h.OPEN),this._setEscapeEvent(),this._setResizeEvent(),e(this._element).on(l.CLICK_DISMISS,c.DATA_DISMISS,function(t){return n.hide(t)}),e(this._dialog).on(l.MOUSEDOWN_DISMISS,function(){e(n._element).one(l.MOUSEUP_DISMISS,function(t){e(t.target).is(n._element)&&(n._ignoreBackdropClick=!0)})}),this._showBackdrop(function(){return n._showElement(t)}))}},u.hide=function(t){var n=this;if(t&&t.preventDefault(),!this._isTransitioning&&this._isShown){var i=s.supportsTransitionEnd()&&e(this._element).hasClass(h.FADE);i&&(this._isTransitioning=!0);var r=e.Event(l.HIDE);e(this._element).trigger(r),this._isShown&&!r.isDefaultPrevented()&&(this._isShown=!1,this._setEscapeEvent(),this._setResizeEvent(),e(document).off(l.FOCUSIN),e(this._element).removeClass(h.SHOW),e(this._element).off(l.CLICK_DISMISS),e(this._dialog).off(l.MOUSEDOWN_DISMISS),i?e(this._element).one(s.TRANSITION_END,function(t){return n._hideModal(t)}).emulateTransitionEnd(300):this._hideModal())}},u.dispose=function(){e.removeData(this._element,"bs.modal"),e(window,document,this._element,this._backdrop).off(n),this._config=null,this._element=null,this._dialog=null,this._backdrop=null,this._isShown=null,this._isBodyOverflowing=null,this._ignoreBackdropClick=null,this._scrollbarWidth=null},u.handleUpdate=function(){this._adjustDialog()},u._getConfig=function(n){return n=e.extend({},o,n),s.typeCheckConfig(t,n,a),n},u._showElement=function(t){var n=this,i=s.supportsTransitionEnd()&&e(this._element).hasClass(h.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&&s.reflow(this._element),e(this._element).addClass(h.SHOW),this._config.focus&&this._enforceFocus();var r=e.Event(l.SHOWN,{relatedTarget:t}),o=function(){n._config.focus&&n._element.focus(),n._isTransitioning=!1,e(n._element).trigger(r)};i?e(this._dialog).one(s.TRANSITION_END,o).emulateTransitionEnd(300):o()},u._enforceFocus=function(){var t=this;e(document).off(l.FOCUSIN).on(l.FOCUSIN,function(n){document===n.target||t._element===n.target||e(t._element).has(n.target).length||t._element.focus()})},u._setEscapeEvent=function(){var t=this;this._isShown&&this._config.keyboard?e(this._element).on(l.KEYDOWN_DISMISS,function(e){27===e.which&&(e.preventDefault(),t.hide())}):this._isShown||e(this._element).off(l.KEYDOWN_DISMISS)},u._setResizeEvent=function(){var t=this;this._isShown?e(window).on(l.RESIZE,function(e){return t.handleUpdate(e)}):e(window).off(l.RESIZE)},u._hideModal=function(){var t=this;this._element.style.display="none",this._element.setAttribute("aria-hidden",!0),this._isTransitioning=!1,this._showBackdrop(function(){e(document.body).removeClass(h.OPEN),t._resetAdjustments(),t._resetScrollbar(),e(t._element).trigger(l.HIDDEN)})},u._removeBackdrop=function(){this._backdrop&&(e(this._backdrop).remove(),this._backdrop=null)},u._showBackdrop=function(t){var n=this,i=e(this._element).hasClass(h.FADE)?h.FADE:"";if(this._isShown&&this._config.backdrop){var r=s.supportsTransitionEnd()&&i;if(this._backdrop=document.createElement("div"),this._backdrop.className=h.BACKDROP,i&&e(this._backdrop).addClass(i),e(this._backdrop).appendTo(document.body),e(this._element).on(l.CLICK_DISMISS,function(t){n._ignoreBackdropClick?n._ignoreBackdropClick=!1:t.target===t.currentTarget&&("static"===n._config.backdrop?n._element.focus():n.hide())}),r&&s.reflow(this._backdrop),e(this._backdrop).addClass(h.SHOW),!t)return;if(!r)return void 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i=e.Event(n.HIDDEN,{relatedTarget:t._element}),s=e.Event(n.SHOWN,{relatedTarget:a});e(a).trigger(i),e(t._element).trigger(s)};r?this._activate(r,r.parentNode,f):f()}}},a.dispose=function(){e.removeData(this._element,"bs.tab"),this._element=null},a._activate=function(t,n,r){var a,l=this,h=(a="UL"===n.nodeName?e(n).find(o.ACTIVE_UL):e(n).children(o.ACTIVE))[0],c=r&&s.supportsTransitionEnd()&&h&&e(h).hasClass(i.FADE),u=function(){return l._transitionComplete(t,h,c,r)};h&&c?e(h).one(s.TRANSITION_END,u).emulateTransitionEnd(150):u(),h&&e(h).removeClass(i.SHOW)},a._transitionComplete=function(t,n,r,a){if(n){e(n).removeClass(i.ACTIVE);var l=e(n.parentNode).find(o.DROPDOWN_ACTIVE_CHILD)[0];l&&e(l).removeClass(i.ACTIVE),"tab"===n.getAttribute("role")&&n.setAttribute("aria-selected",!1)}if(e(t).addClass(i.ACTIVE),"tab"===t.getAttribute("role")&&t.setAttribute("aria-selected",!0),r?(s.reflow(t),e(t).addClass(i.SHOW)):e(t).removeClass(i.FADE),t.parentNode&&e(t.parentNode).hasClass(i.DROPDOWN_MENU)){var h=e(t).closest(o.DROPDOWN)[0];h&&e(h).find(o.DROPDOWN_TOGGLE).addClass(i.ACTIVE),t.setAttribute("aria-expanded",!0)}a&&a()},t._jQueryInterface=function(n){return this.each(function(){var i=e(this),s=i.data("bs.tab");if(s||(s=new t(this),i.data("bs.tab",s)),"string"==typeof n){if("undefined"==typeof s[n])throw new Error('No method named "'+n+'"');s[n]()}})},r(t,null,[{key:"VERSION",get:function(){return"4.0.0-beta"}}]),t}();return 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e&&i(t.prototype,e),n&&i(t,n),t},o=function(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,t.__proto__=e},a=function(){var t="alert",n=e.fn[t],i={CLOSE:"close.bs.alert",CLOSED:"closed.bs.alert",CLICK_DATA_API:"click.bs.alert.data-api"},o={ALERT:"alert",FADE:"fade",SHOW:"show"},a=function(){function t(t){this._element=t}var n=t.prototype;return n.close=function(t){t=t||this._element;var e=this._getRootElement(t);this._triggerCloseEvent(e).isDefaultPrevented()||this._removeElement(e)},n.dispose=function(){e.removeData(this._element,"bs.alert"),this._element=null},n._getRootElement=function(t){var n=s.getSelectorFromElement(t),i=!1;return n&&(i=e(n)[0]),i||(i=e(t).closest("."+o.ALERT)[0]),i},n._triggerCloseEvent=function(t){var n=e.Event(i.CLOSE);return e(t).trigger(n),n},n._removeElement=function(t){var n=this;e(t).removeClass(o.SHOW),s.supportsTransitionEnd()&&e(t).hasClass(o.FADE)?e(t).one(s.TRANSITION_END,function(e){return 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n=e.extend({},o,n),n.toggle=Boolean(n.toggle),s.typeCheckConfig(t,n,a),n},d._getDimension=function(){return e(this._element).hasClass(c.WIDTH)?c.WIDTH:c.HEIGHT},d._getParent=function(){var t=this,n=null;s.isElement(this._config.parent)?(n=this._config.parent,"undefined"!=typeof this._config.parent.jquery&&(n=this._config.parent[0])):n=e(this._config.parent)[0];var r='[data-toggle="collapse"][data-parent="'+this._config.parent+'"]';return e(n).find(r).each(function(e,n){t._addAriaAndCollapsedClass(i._getTargetFromElement(n),[n])}),n},d._addAriaAndCollapsedClass=function(t,n){if(t){var i=e(t).hasClass(h.SHOW);n.length&&e(n).toggleClass(h.COLLAPSED,!i).attr("aria-expanded",i)}},i._getTargetFromElement=function(t){var n=s.getSelectorFromElement(t);return n?e(n)[0]:null},i._jQueryInterface=function(t){return this.each(function(){var s=e(this),r=s.data(n),a=e.extend({},o,s.data(),"object"==typeof t&&t);if(!r&&a.toggle&&/show|hide/.test(t)&&(a.toggle=!1),r||(r=new 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RegExp("38|40|27"),h={HIDE:"hide"+o,HIDDEN:"hidden"+o,SHOW:"show"+o,SHOWN:"shown"+o,CLICK:"click"+o,CLICK_DATA_API:"click.bs.dropdown.data-api",KEYDOWN_DATA_API:"keydown.bs.dropdown.data-api",KEYUP_DATA_API:"keyup.bs.dropdown.data-api"},c={DISABLED:"disabled",SHOW:"show",DROPUP:"dropup",MENURIGHT:"dropdown-menu-right",MENULEFT:"dropdown-menu-left"},u={DATA_TOGGLE:'[data-toggle="dropdown"]',FORM_CHILD:".dropdown form",MENU:".dropdown-menu",NAVBAR_NAV:".navbar-nav",VISIBLE_ITEMS:".dropdown-menu .dropdown-item:not(.disabled)"},d={TOP:"top-start",TOPEND:"top-end",BOTTOM:"bottom-start",BOTTOMEND:"bottom-end"},f={offset:0,flip:!0},_={offset:"(number|string|function)",flip:"boolean"},g=function(){function a(t,e){this._element=t,this._popper=null,this._config=this._getConfig(e),this._menu=this._getMenuElement(),this._inNavbar=this._detectNavbar(),this._addEventListeners()}var g=a.prototype;return g.toggle=function(){if(!this._element.disabled&&!e(this._element).hasClass(c.DISABLED)){var t=a._getParentFromElement(this._element),i=e(this._menu).hasClass(c.SHOW);if(a._clearMenus(),!i){var s={relatedTarget:this._element},r=e.Event(h.SHOW,s);if(e(t).trigger(r),!r.isDefaultPrevented()){var o=this._element;e(t).hasClass(c.DROPUP)&&(e(this._menu).hasClass(c.MENULEFT)||e(this._menu).hasClass(c.MENURIGHT))&&(o=t),this._popper=new n(o,this._menu,this._getPopperConfig()),"ontouchstart"in document.documentElement&&!e(t).closest(u.NAVBAR_NAV).length&&e("body").children().on("mouseover",null,e.noop),this._element.focus(),this._element.setAttribute("aria-expanded",!0),e(this._menu).toggleClass(c.SHOW),e(t).toggleClass(c.SHOW).trigger(e.Event(h.SHOWN,s))}}}},g.dispose=function(){e.removeData(this._element,i),e(this._element).off(o),this._element=null,this._menu=null,null!==this._popper&&this._popper.destroy(),this._popper=null},g.update=function(){this._inNavbar=this._detectNavbar(),null!==this._popper&&this._popper.scheduleUpdate()},g._addEventListeners=function(){var t=this;e(this._element).on(h.CLICK,function(e){e.preventDefault(),e.stopPropagation(),t.toggle()})},g._getConfig=function(n){return n=e.extend({},this.constructor.Default,e(this._element).data(),n),s.typeCheckConfig(t,n,this.constructor.DefaultType),n},g._getMenuElement=function(){if(!this._menu){var t=a._getParentFromElement(this._element);this._menu=e(t).find(u.MENU)[0]}return this._menu},g._getPlacement=function(){var t=e(this._element).parent(),n=d.BOTTOM;return t.hasClass(c.DROPUP)?(n=d.TOP,e(this._menu).hasClass(c.MENURIGHT)&&(n=d.TOPEND)):e(this._menu).hasClass(c.MENURIGHT)&&(n=d.BOTTOMEND),n},g._detectNavbar=function(){return e(this._element).closest(".navbar").length>0},g._getPopperConfig=function(){var t=this,n={};"function"==typeof this._config.offset?n.fn=function(n){return n.offsets=e.extend({},n.offsets,t._config.offset(n.offsets)||{}),n}:n.offset=this._config.offset;var i={placement:this._getPlacement(),modifiers:{offset:n,flip:{enabled:this._config.flip}}};return this._inNavbar&&(i.modifiers.applyStyle={enabled:!this._inNavbar}),i},a._jQueryInterface=function(t){return this.each(function(){var n=e(this).data(i),s="object"==typeof t?t:null;if(n||(n=new a(this,s),e(this).data(i,n)),"string"==typeof t){if("undefined"==typeof n[t])throw new Error('No method named "'+t+'"');n[t]()}})},a._clearMenus=function(t){if(!t||3!==t.which&&("keyup"!==t.type||9===t.which))for(var n=e.makeArray(e(u.DATA_TOGGLE)),s=0;s<n.length;s++){var r=a._getParentFromElement(n[s]),o=e(n[s]).data(i),l={relatedTarget:n[s]};if(o){var d=o._menu;if(e(r).hasClass(c.SHOW)&&!(t&&("click"===t.type&&/input|textarea/i.test(t.target.tagName)||"keyup"===t.type&&9===t.which)&&e.contains(r,t.target))){var f=e.Event(h.HIDE,l);e(r).trigger(f),f.isDefaultPrevented()||("ontouchstart"in document.documentElement&&e("body").children().off("mouseover",null,e.noop),n[s].setAttribute("aria-expanded","false"),e(d).removeClass(c.SHOW),e(r).removeClass(c.SHOW).trigger(e.Event(h.HIDDEN,l)))}}}},a._getParentFromElement=function(t){var n,i=s.getSelectorFromElement(t);return i&&(n=e(i)[0]),n||t.parentNode},a._dataApiKeydownHandler=function(t){if(!(!l.test(t.which)||/button/i.test(t.target.tagName)&&32===t.which||/input|textarea/i.test(t.target.tagName)||(t.preventDefault(),t.stopPropagation(),this.disabled||e(this).hasClass(c.DISABLED)))){var n=a._getParentFromElement(this),i=e(n).hasClass(c.SHOW);if((i||27===t.which&&32===t.which)&&(!i||27!==t.which&&32!==t.which)){var s=e(n).find(u.VISIBLE_ITEMS).get();if(s.length){var r=s.indexOf(t.target);38===t.which&&r>0&&r--,40===t.which&&r<s.length-1&&r++,r<0&&(r=0),s[r].focus()}}else{if(27===t.which){var o=e(n).find(u.DATA_TOGGLE)[0];e(o).trigger("focus")}e(this).trigger("click")}}},r(a,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}},{key:"Default",get:function(){return f}},{key:"DefaultType",get:function(){return _}}]),a}();return e(document).on(h.KEYDOWN_DATA_API,u.DATA_TOGGLE,g._dataApiKeydownHandler).on(h.KEYDOWN_DATA_API,u.MENU,g._dataApiKeydownHandler).on(h.CLICK_DATA_API+" "+h.KEYUP_DATA_API,g._clearMenus).on(h.CLICK_DATA_API,u.DATA_TOGGLE,function(t){t.preventDefault(),t.stopPropagation(),g._jQueryInterface.call(e(this),"toggle")}).on(h.CLICK_DATA_API,u.FORM_CHILD,function(t){t.stopPropagation()}),e.fn[t]=g._jQueryInterface,e.fn[t].Constructor=g,e.fn[t].noConflict=function(){return e.fn[t]=a,g._jQueryInterface},g}(),d=function(){var t="modal",n=".bs.modal",i=e.fn[t],o={backdrop:!0,keyboard:!0,focus:!0,show:!0},a={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},l={HIDE:"hide.bs.modal",HIDDEN:"hidden.bs.modal",SHOW:"show.bs.modal",SHOWN:"shown.bs.modal",FOCUSIN:"focusin.bs.modal",RESIZE:"resize.bs.modal",CLICK_DISMISS:"click.dismiss.bs.modal",KEYDOWN_DISMISS:"keydown.dismiss.bs.modal",MOUSEUP_DISMISS:"mouseup.dismiss.bs.modal",MOUSEDOWN_DISMISS:"mousedown.dismiss.bs.modal",CLICK_DATA_API:"click.bs.modal.data-api"},h={SCROLLBAR_MEASURER:"modal-scrollbar-measure",BACKDROP:"modal-backdrop",OPEN:"modal-open",FADE:"fade",SHOW:"show"},c={DIALOG:".modal-dialog",DATA_TOGGLE:'[data-toggle="modal"]',DATA_DISMISS:'[data-dismiss="modal"]',FIXED_CONTENT:".fixed-top, .fixed-bottom, .is-fixed, .sticky-top",STICKY_CONTENT:".sticky-top",NAVBAR_TOGGLER:".navbar-toggler"},u=function(){function i(t,n){this._config=this._getConfig(n),this._element=t,this._dialog=e(t).find(c.DIALOG)[0],this._backdrop=null,this._isShown=!1,this._isBodyOverflowing=!1,this._ignoreBackdropClick=!1,this._originalBodyPadding=0,this._scrollbarWidth=0}var u=i.prototype;return u.toggle=function(t){return this._isShown?this.hide():this.show(t)},u.show=function(t){var n=this;if(!this._isTransitioning&&!this._isShown){s.supportsTransitionEnd()&&e(this._element).hasClass(h.FADE)&&(this._isTransitioning=!0);var i=e.Event(l.SHOW,{relatedTarget:t});e(this._element).trigger(i),this._isShown||i.isDefaultPrevented()||(this._isShown=!0,this._checkScrollbar(),this._setScrollbar(),this._adjustDialog(),e(document.body).addClass(h.OPEN),this._setEscapeEvent(),this._setResizeEvent(),e(this._element).on(l.CLICK_DISMISS,c.DATA_DISMISS,function(t){return n.hide(t)}),e(this._dialog).on(l.MOUSEDOWN_DISMISS,function(){e(n._element).one(l.MOUSEUP_DISMISS,function(t){e(t.target).is(n._element)&&(n._ignoreBackdropClick=!0)})}),this._showBackdrop(function(){return n._showElement(t)}))}},u.hide=function(t){var n=this;if(t&&t.preventDefault(),!this._isTransitioning&&this._isShown){var i=e.Event(l.HIDE);if(e(this._element).trigger(i),this._isShown&&!i.isDefaultPrevented()){this._isShown=!1;var r=s.supportsTransitionEnd()&&e(this._element).hasClass(h.FADE);r&&(this._isTransitioning=!0),this._setEscapeEvent(),this._setResizeEvent(),e(document).off(l.FOCUSIN),e(this._element).removeClass(h.SHOW),e(this._element).off(l.CLICK_DISMISS),e(this._dialog).off(l.MOUSEDOWN_DISMISS),r?e(this._element).one(s.TRANSITION_END,function(t){return n._hideModal(t)}).emulateTransitionEnd(300):this._hideModal()}}},u.dispose=function(){e.removeData(this._element,"bs.modal"),e(window,document,this._element,this._backdrop).off(n),this._config=null,this._element=null,this._dialog=null,this._backdrop=null,this._isShown=null,this._isBodyOverflowing=null,this._ignoreBackdropClick=null,this._scrollbarWidth=null},u.handleUpdate=function(){this._adjustDialog()},u._getConfig=function(n){return n=e.extend({},o,n),s.typeCheckConfig(t,n,a),n},u._showElement=function(t){var n=this,i=s.supportsTransitionEnd()&&e(this._element).hasClass(h.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&&s.reflow(this._element),e(this._element).addClass(h.SHOW),this._config.focus&&this._enforceFocus();var r=e.Event(l.SHOWN,{relatedTarget:t}),o=function(){n._config.focus&&n._element.focus(),n._isTransitioning=!1,e(n._element).trigger(r)};i?e(this._dialog).one(s.TRANSITION_END,o).emulateTransitionEnd(300):o()},u._enforceFocus=function(){var t=this;e(document).off(l.FOCUSIN).on(l.FOCUSIN,function(n){document===n.target||t._element===n.target||e(t._element).has(n.target).length||t._element.focus()})},u._setEscapeEvent=function(){var t=this;this._isShown&&this._config.keyboard?e(this._element).on(l.KEYDOWN_DISMISS,function(e){27===e.which&&(e.preventDefault(),t.hide())}):this._isShown||e(this._element).off(l.KEYDOWN_DISMISS)},u._setResizeEvent=function(){var t=this;this._isShown?e(window).on(l.RESIZE,function(e){return t.handleUpdate(e)}):e(window).off(l.RESIZE)},u._hideModal=function(){var t=this;this._element.style.display="none",this._element.setAttribute("aria-hidden",!0),this._isTransitioning=!1,this._showBackdrop(function(){e(document.body).removeClass(h.OPEN),t._resetAdjustments(),t._resetScrollbar(),e(t._element).trigger(l.HIDDEN)})},u._removeBackdrop=function(){this._backdrop&&(e(this._backdrop).remove(),this._backdrop=null)},u._showBackdrop=function(t){var n=this,i=e(this._element).hasClass(h.FADE)?h.FADE:"";if(this._isShown&&this._config.backdrop){var r=s.supportsTransitionEnd()&&i;if(this._backdrop=document.createElement("div"),this._backdrop.className=h.BACKDROP,i&&e(this._backdrop).addClass(i),e(this._backdrop).appendTo(document.body),e(this._element).on(l.CLICK_DISMISS,function(t){n._ignoreBackdropClick?n._ignoreBackdropClick=!1:t.target===t.currentTarget&&("static"===n._config.backdrop?n._element.focus():n.hide())}),r&&s.reflow(this._backdrop),e(this._backdrop).addClass(h.SHOW),!t)return;if(!r)return void t();e(this._backdrop).one(s.TRANSITION_END,t).emulateTransitionEnd(150)}else if(!this._isShown&&this._backdrop){e(this._backdrop).removeClass(h.SHOW);var o=function(){n._removeBackdrop(),t&&t()};s.supportsTransitionEnd()&&e(this._element).hasClass(h.FADE)?e(this._backdrop).one(s.TRANSITION_END,o).emulateTransitionEnd(150):o()}else t&&t()},u._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")},u._resetAdjustments=function(){this._element.style.paddingLeft="",this._element.style.paddingRight=""},u._checkScrollbar=function(){var t=document.body.getBoundingClientRect();this._isBodyOverflowing=t.left+t.right<window.innerWidth,this._scrollbarWidth=this._getScrollbarWidth()},u._setScrollbar=function(){var t=this;if(this._isBodyOverflowing){e(c.FIXED_CONTENT).each(function(n,i){var s=e(i)[0].style.paddingRight,r=e(i).css("padding-right");e(i).data("padding-right",s).css("padding-right",parseFloat(r)+t._scrollbarWidth+"px")}),e(c.STICKY_CONTENT).each(function(n,i){var s=e(i)[0].style.marginRight,r=e(i).css("margin-right");e(i).data("margin-right",s).css("margin-right",parseFloat(r)-t._scrollbarWidth+"px")}),e(c.NAVBAR_TOGGLER).each(function(n,i){var s=e(i)[0].style.marginRight,r=e(i).css("margin-right");e(i).data("margin-right",s).css("margin-right",parseFloat(r)+t._scrollbarWidth+"px")});var n=document.body.style.paddingRight,i=e("body").css("padding-right");e("body").data("padding-right",n).css("padding-right",parseFloat(i)+this._scrollbarWidth+"px")}},u._resetScrollbar=function(){e(c.FIXED_CONTENT).each(function(t,n){var i=e(n).data("padding-right");"undefined"!=typeof i&&e(n).css("padding-right",i).removeData("padding-right")}),e(c.STICKY_CONTENT+", "+c.NAVBAR_TOGGLER).each(function(t,n){var i=e(n).data("margin-right");"undefined"!=typeof i&&e(n).css("margin-right",i).removeData("margin-right")});var t=e("body").data("padding-right");"undefined"!=typeof t&&e("body").css("padding-right",t).removeData("padding-right")},u._getScrollbarWidth=function(){var t=document.createElement("div");t.className=h.SCROLLBAR_MEASURER,document.body.appendChild(t);var e=t.getBoundingClientRect().width-t.clientWidth;return document.body.removeChild(t),e},i._jQueryInterface=function(t,n){return this.each(function(){var s=e(this).data("bs.modal"),r=e.extend({},i.Default,e(this).data(),"object"==typeof t&&t);if(s||(s=new i(this,r),e(this).data("bs.modal",s)),"string"==typeof t){if("undefined"==typeof s[t])throw new Error('No method named "'+t+'"');s[t](n)}else r.show&&s.show(n)})},r(i,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}},{key:"Default",get:function(){return o}}]),i}();return e(document).on(l.CLICK_DATA_API,c.DATA_TOGGLE,function(t){var n,i=this,r=s.getSelectorFromElement(this);r&&(n=e(r)[0]);var o=e(n).data("bs.modal")?"toggle":e.extend({},e(n).data(),e(this).data());"A"!==this.tagName&&"AREA"!==this.tagName||t.preventDefault();var a=e(n).one(l.SHOW,function(t){t.isDefaultPrevented()||a.one(l.HIDDEN,function(){e(i).is(":visible")&&i.focus()})});u._jQueryInterface.call(e(n),o,this)}),e.fn[t]=u._jQueryInterface,e.fn[t].Constructor=u,e.fn[t].noConflict=function(){return e.fn[t]=i,u._jQueryInterface},u}(),f=function(){if("undefined"==typeof n)throw new Error("Bootstrap tooltips require Popper.js (https://popper.js.org)");var t="tooltip",i=".bs.tooltip",o=e.fn[t],a=new RegExp("(^|\\s)bs-tooltip\\S+","g"),l={animation:"boolean",template:"string",title:"(string|element|function)",trigger:"string",delay:"(number|object)",html:"boolean",selector:"(string|boolean)",placement:"(string|function)",offset:"(number|string)",container:"(string|element|boolean)",fallbackPlacement:"(string|array)"},h={AUTO:"auto",TOP:"top",RIGHT:"right",BOTTOM:"bottom",LEFT:"left"},c={animation:!0,template:'<div class="tooltip" role="tooltip"><div class="arrow"></div><div class="tooltip-inner"></div></div>',trigger:"hover focus",title:"",delay:0,html:!1,selector:!1,placement:"top",offset:0,container:!1,fallbackPlacement:"flip"},u={SHOW:"show",OUT:"out"},d={HIDE:"hide"+i,HIDDEN:"hidden"+i,SHOW:"show"+i,SHOWN:"shown"+i,INSERTED:"inserted"+i,CLICK:"click"+i,FOCUSIN:"focusin"+i,FOCUSOUT:"focusout"+i,MOUSEENTER:"mouseenter"+i,MOUSELEAVE:"mouseleave"+i},f={FADE:"fade",SHOW:"show"},_={TOOLTIP:".tooltip",TOOLTIP_INNER:".tooltip-inner",ARROW:".arrow"},g={HOVER:"hover",FOCUS:"focus",CLICK:"click",MANUAL:"manual"},m=function(){function o(t,e){this._isEnabled=!0,this._timeout=0,this._hoverState="",this._activeTrigger={},this._popper=null,this.element=t,this.config=this._getConfig(e),this.tip=null,this._setListeners()}var m=o.prototype;return m.enable=function(){this._isEnabled=!0},m.disable=function(){this._isEnabled=!1},m.toggleEnabled=function(){this._isEnabled=!this._isEnabled},m.toggle=function(t){if(this._isEnabled)if(t){var n=this.constructor.DATA_KEY,i=e(t.currentTarget).data(n);i||(i=new this.constructor(t.currentTarget,this._getDelegateConfig()),e(t.currentTarget).data(n,i)),i._activeTrigger.click=!i._activeTrigger.click,i._isWithActiveTrigger()?i._enter(null,i):i._leave(null,i)}else{if(e(this.getTipElement()).hasClass(f.SHOW))return void this._leave(null,this);this._enter(null,this)}},m.dispose=function(){clearTimeout(this._timeout),e.removeData(this.element,this.constructor.DATA_KEY),e(this.element).off(this.constructor.EVENT_KEY),e(this.element).closest(".modal").off("hide.bs.modal"),this.tip&&e(this.tip).remove(),this._isEnabled=null,this._timeout=null,this._hoverState=null,this._activeTrigger=null,null!==this._popper&&this._popper.destroy(),this._popper=null,this.element=null,this.config=null,this.tip=null},m.show=function(){var t=this;if("none"===e(this.element).css("display"))throw new Error("Please use show on visible elements");var i=e.Event(this.constructor.Event.SHOW);if(this.isWithContent()&&this._isEnabled){e(this.element).trigger(i);var r=e.contains(this.element.ownerDocument.documentElement,this.element);if(i.isDefaultPrevented()||!r)return;var a=this.getTipElement(),l=s.getUID(this.constructor.NAME);a.setAttribute("id",l),this.element.setAttribute("aria-describedby",l),this.setContent(),this.config.animation&&e(a).addClass(f.FADE);var h="function"==typeof this.config.placement?this.config.placement.call(this,a,this.element):this.config.placement,c=this._getAttachment(h);this.addAttachmentClass(c);var d=!1===this.config.container?document.body:e(this.config.container);e(a).data(this.constructor.DATA_KEY,this),e.contains(this.element.ownerDocument.documentElement,this.tip)||e(a).appendTo(d),e(this.element).trigger(this.constructor.Event.INSERTED),this._popper=new n(this.element,a,{placement:c,modifiers:{offset:{offset:this.config.offset},flip:{behavior:this.config.fallbackPlacement},arrow:{element:_.ARROW}},onCreate:function(e){e.originalPlacement!==e.placement&&t._handlePopperPlacementChange(e)},onUpdate:function(e){t._handlePopperPlacementChange(e)}}),e(a).addClass(f.SHOW),"ontouchstart"in document.documentElement&&e("body").children().on("mouseover",null,e.noop);var g=function(){t.config.animation&&t._fixTransition();var n=t._hoverState;t._hoverState=null,e(t.element).trigger(t.constructor.Event.SHOWN),n===u.OUT&&t._leave(null,t)};s.supportsTransitionEnd()&&e(this.tip).hasClass(f.FADE)?e(this.tip).one(s.TRANSITION_END,g).emulateTransitionEnd(o._TRANSITION_DURATION):g()}},m.hide=function(t){var n=this,i=this.getTipElement(),r=e.Event(this.constructor.Event.HIDE),o=function(){n._hoverState!==u.SHOW&&i.parentNode&&i.parentNode.removeChild(i),n._cleanTipClass(),n.element.removeAttribute("aria-describedby"),e(n.element).trigger(n.constructor.Event.HIDDEN),null!==n._popper&&n._popper.destroy(),t&&t()};e(this.element).trigger(r),r.isDefaultPrevented()||(e(i).removeClass(f.SHOW),"ontouchstart"in document.documentElement&&e("body").children().off("mouseover",null,e.noop),this._activeTrigger[g.CLICK]=!1,this._activeTrigger[g.FOCUS]=!1,this._activeTrigger[g.HOVER]=!1,s.supportsTransitionEnd()&&e(this.tip).hasClass(f.FADE)?e(i).one(s.TRANSITION_END,o).emulateTransitionEnd(150):o(),this._hoverState="")},m.update=function(){null!==this._popper&&this._popper.scheduleUpdate()},m.isWithContent=function(){return Boolean(this.getTitle())},m.addAttachmentClass=function(t){e(this.getTipElement()).addClass("bs-tooltip-"+t)},m.getTipElement=function(){return this.tip=this.tip||e(this.config.template)[0],this.tip},m.setContent=function(){var t=e(this.getTipElement());this.setElementContent(t.find(_.TOOLTIP_INNER),this.getTitle()),t.removeClass(f.FADE+" "+f.SHOW)},m.setElementContent=function(t,n){var i=this.config.html;"object"==typeof n&&(n.nodeType||n.jquery)?i?e(n).parent().is(t)||t.empty().append(n):t.text(e(n).text()):t[i?"html":"text"](n)},m.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},m._getAttachment=function(t){return h[t.toUpperCase()]},m._setListeners=function(){var t=this;this.config.trigger.split(" ").forEach(function(n){if("click"===n)e(t.element).on(t.constructor.Event.CLICK,t.config.selector,function(e){return t.toggle(e)});else if(n!==g.MANUAL){var i=n===g.HOVER?t.constructor.Event.MOUSEENTER:t.constructor.Event.FOCUSIN,s=n===g.HOVER?t.constructor.Event.MOUSELEAVE:t.constructor.Event.FOCUSOUT;e(t.element).on(i,t.config.selector,function(e){return t._enter(e)}).on(s,t.config.selector,function(e){return t._leave(e)})}e(t.element).closest(".modal").on("hide.bs.modal",function(){return t.hide()})}),this.config.selector?this.config=e.extend({},this.config,{trigger:"manual",selector:""}):this._fixTitle()},m._fixTitle=function(){var t=typeof 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",""))},m._enter=function(t,n){var i=this.constructor.DATA_KEY;(n=n||e(t.currentTarget).data(i))||(n=new this.constructor(t.currentTarget,this._getDelegateConfig()),e(t.currentTarget).data(i,n)),t&&(n._activeTrigger["focusin"===t.type?g.FOCUS:g.HOVER]=!0),e(n.getTipElement()).hasClass(f.SHOW)||n._hoverState===u.SHOW?n._hoverState=u.SHOW:(clearTimeout(n._timeout),n._hoverState=u.SHOW,n.config.delay&&n.config.delay.show?n._timeout=setTimeout(function(){n._hoverState===u.SHOW&&n.show()},n.config.delay.show):n.show())},m._leave=function(t,n){var i=this.constructor.DATA_KEY;(n=n||e(t.currentTarget).data(i))||(n=new this.constructor(t.currentTarget,this._getDelegateConfig()),e(t.currentTarget).data(i,n)),t&&(n._activeTrigger["focusout"===t.type?g.FOCUS:g.HOVER]=!1),n._isWithActiveTrigger()||(clearTimeout(n._timeout),n._hoverState=u.OUT,n.config.delay&&n.config.delay.hide?n._timeout=setTimeout(function(){n._hoverState===u.OUT&&n.hide()},n.config.delay.hide):n.hide())},m._isWithActiveTrigger=function(){for(var t in this._activeTrigger)if(this._activeTrigger[t])return!0;return!1},m._getConfig=function(n){return"number"==typeof(n=e.extend({},this.constructor.Default,e(this.element).data(),n)).delay&&(n.delay={show:n.delay,hide:n.delay}),"number"==typeof n.title&&(n.title=n.title.toString()),"number"==typeof n.content&&(n.content=n.content.toString()),s.typeCheckConfig(t,n,this.constructor.DefaultType),n},m._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},m._cleanTipClass=function(){var t=e(this.getTipElement()),n=t.attr("class").match(a);null!==n&&n.length>0&&t.removeClass(n.join(""))},m._handlePopperPlacementChange=function(t){this._cleanTipClass(),this.addAttachmentClass(this._getAttachment(t.placement))},m._fixTransition=function(){var t=this.getTipElement(),n=this.config.animation;null===t.getAttribute("x-placement")&&(e(t).removeClass(f.FADE),this.config.animation=!1,this.hide(),this.show(),this.config.animation=n)},o._jQueryInterface=function(t){return this.each(function(){var n=e(this).data("bs.tooltip"),i="object"==typeof t&&t;if((n||!/dispose|hide/.test(t))&&(n||(n=new o(this,i),e(this).data("bs.tooltip",n)),"string"==typeof t)){if("undefined"==typeof n[t])throw new Error('No method named "'+t+'"');n[t]()}})},r(o,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}},{key:"Default",get:function(){return c}},{key:"NAME",get:function(){return t}},{key:"DATA_KEY",get:function(){return"bs.tooltip"}},{key:"Event",get:function(){return d}},{key:"EVENT_KEY",get:function(){return i}},{key:"DefaultType",get:function(){return l}}]),o}();return e.fn[t]=m._jQueryInterface,e.fn[t].Constructor=m,e.fn[t].noConflict=function(){return e.fn[t]=o,m._jQueryInterface},m}(),_=function(){var t="popover",n=".bs.popover",i=e.fn[t],s=new RegExp("(^|\\s)bs-popover\\S+","g"),a=e.extend({},f.Default,{placement:"right",trigger:"click",content:"",template:'<div class="popover" role="tooltip"><div class="arrow"></div><h3 class="popover-header"></h3><div class="popover-body"></div></div>'}),l=e.extend({},f.DefaultType,{content:"(string|element|function)"}),h={FADE:"fade",SHOW:"show"},c={TITLE:".popover-header",CONTENT:".popover-body"},u={HIDE:"hide"+n,HIDDEN:"hidden"+n,SHOW:"show"+n,SHOWN:"shown"+n,INSERTED:"inserted"+n,CLICK:"click"+n,FOCUSIN:"focusin"+n,FOCUSOUT:"focusout"+n,MOUSEENTER:"mouseenter"+n,MOUSELEAVE:"mouseleave"+n},d=function(i){function d(){return i.apply(this,arguments)||this}o(d,i);var f=d.prototype;return f.isWithContent=function(){return this.getTitle()||this._getContent()},f.addAttachmentClass=function(t){e(this.getTipElement()).addClass("bs-popover-"+t)},f.getTipElement=function(){return this.tip=this.tip||e(this.config.template)[0],this.tip},f.setContent=function(){var t=e(this.getTipElement());this.setElementContent(t.find(c.TITLE),this.getTitle()),this.setElementContent(t.find(c.CONTENT),this._getContent()),t.removeClass(h.FADE+" "+h.SHOW)},f._getContent=function(){return this.element.getAttribute("data-content")||("function"==typeof this.config.content?this.config.content.call(this.element):this.config.content)},f._cleanTipClass=function(){var t=e(this.getTipElement()),n=t.attr("class").match(s);null!==n&&n.length>0&&t.removeClass(n.join(""))},d._jQueryInterface=function(t){return this.each(function(){var n=e(this).data("bs.popover"),i="object"==typeof t?t:null;if((n||!/destroy|hide/.test(t))&&(n||(n=new d(this,i),e(this).data("bs.popover",n)),"string"==typeof t)){if("undefined"==typeof n[t])throw new Error('No method named "'+t+'"');n[t]()}})},r(d,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}},{key:"Default",get:function(){return a}},{key:"NAME",get:function(){return t}},{key:"DATA_KEY",get:function(){return"bs.popover"}},{key:"Event",get:function(){return u}},{key:"EVENT_KEY",get:function(){return n}},{key:"DefaultType",get:function(){return l}}]),d}(f);return e.fn[t]=d._jQueryInterface,e.fn[t].Constructor=d,e.fn[t].noConflict=function(){return e.fn[t]=i,d._jQueryInterface},d}(),g=function(){var t="scrollspy",n=e.fn[t],i={offset:10,method:"auto",target:""},o={offset:"number",method:"string",target:"(string|element)"},a={ACTIVATE:"activate.bs.scrollspy",SCROLL:"scroll.bs.scrollspy",LOAD_DATA_API:"load.bs.scrollspy.data-api"},l={DROPDOWN_ITEM:"dropdown-item",DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active"},h={DATA_SPY:'[data-spy="scroll"]',ACTIVE:".active",NAV_LIST_GROUP:".nav, .list-group",NAV_LINKS:".nav-link",NAV_ITEMS:".nav-item",LIST_ITEMS:".list-group-item",DROPDOWN:".dropdown",DROPDOWN_ITEMS:".dropdown-item",DROPDOWN_TOGGLE:".dropdown-toggle"},c={OFFSET:"offset",POSITION:"position"},u=function(){function n(t,n){var i=this;this._element=t,this._scrollElement="BODY"===t.tagName?window:t,this._config=this._getConfig(n),this._selector=this._config.target+" "+h.NAV_LINKS+","+this._config.target+" "+h.LIST_ITEMS+","+this._config.target+" "+h.DROPDOWN_ITEMS,this._offsets=[],this._targets=[],this._activeTarget=null,this._scrollHeight=0,e(this._scrollElement).on(a.SCROLL,function(t){return i._process(t)}),this.refresh(),this._process()}var u=n.prototype;return u.refresh=function(){var t=this,n=this._scrollElement!==this._scrollElement.window?c.POSITION:c.OFFSET,i="auto"===this._config.method?n:this._config.method,r=i===c.POSITION?this._getScrollTop():0;this._offsets=[],this._targets=[],this._scrollHeight=this._getScrollHeight(),e.makeArray(e(this._selector)).map(function(t){var n,o=s.getSelectorFromElement(t);if(o&&(n=e(o)[0]),n){var a=n.getBoundingClientRect();if(a.width||a.height)return[e(n)[i]().top+r,o]}return null}).filter(function(t){return t}).sort(function(t,e){return t[0]-e[0]}).forEach(function(e){t._offsets.push(e[0]),t._targets.push(e[1])})},u.dispose=function(){e.removeData(this._element,"bs.scrollspy"),e(this._scrollElement).off(".bs.scrollspy"),this._element=null,this._scrollElement=null,this._config=null,this._selector=null,this._offsets=null,this._targets=null,this._activeTarget=null,this._scrollHeight=null},u._getConfig=function(n){if("string"!=typeof(n=e.extend({},i,n)).target){var r=e(n.target).attr("id");r||(r=s.getUID(t),e(n.target).attr("id",r)),n.target="#"+r}return s.typeCheckConfig(t,n,o),n},u._getScrollTop=function(){return this._scrollElement===window?this._scrollElement.pageYOffset:this._scrollElement.scrollTop},u._getScrollHeight=function(){return this._scrollElement.scrollHeight||Math.max(document.body.scrollHeight,document.documentElement.scrollHeight)},u._getOffsetHeight=function(){return this._scrollElement===window?window.innerHeight:this._scrollElement.getBoundingClientRect().height},u._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];this._activeTarget!==i&&this._activate(i)}else{if(this._activeTarget&&t<this._offsets[0]&&this._offsets[0]>0)return this._activeTarget=null,void this._clear();for(var s=this._offsets.length;s--;)this._activeTarget!==this._targets[s]&&t>=this._offsets[s]&&("undefined"==typeof this._offsets[s+1]||t<this._offsets[s+1])&&this._activate(this._targets[s])}},u._activate=function(t){this._activeTarget=t,this._clear();var n=this._selector.split(",");n=n.map(function(e){return e+'[data-target="'+t+'"],'+e+'[href="'+t+'"]'});var i=e(n.join(","));i.hasClass(l.DROPDOWN_ITEM)?(i.closest(h.DROPDOWN).find(h.DROPDOWN_TOGGLE).addClass(l.ACTIVE),i.addClass(l.ACTIVE)):(i.addClass(l.ACTIVE),i.parents(h.NAV_LIST_GROUP).prev(h.NAV_LINKS+", "+h.LIST_ITEMS).addClass(l.ACTIVE),i.parents(h.NAV_LIST_GROUP).prev(h.NAV_ITEMS).children(h.NAV_LINKS).addClass(l.ACTIVE)),e(this._scrollElement).trigger(a.ACTIVATE,{relatedTarget:t})},u._clear=function(){e(this._selector).filter(h.ACTIVE).removeClass(l.ACTIVE)},n._jQueryInterface=function(t){return this.each(function(){var i=e(this).data("bs.scrollspy"),s="object"==typeof t&&t;if(i||(i=new n(this,s),e(this).data("bs.scrollspy",i)),"string"==typeof t){if("undefined"==typeof i[t])throw new Error('No method named "'+t+'"');i[t]()}})},r(n,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}},{key:"Default",get:function(){return i}}]),n}();return e(window).on(a.LOAD_DATA_API,function(){for(var t=e.makeArray(e(h.DATA_SPY)),n=t.length;n--;){var i=e(t[n]);u._jQueryInterface.call(i,i.data())}}),e.fn[t]=u._jQueryInterface,e.fn[t].Constructor=u,e.fn[t].noConflict=function(){return e.fn[t]=n,u._jQueryInterface},u}(),m=function(){var t=e.fn.tab,n={HIDE:"hide.bs.tab",HIDDEN:"hidden.bs.tab",SHOW:"show.bs.tab",SHOWN:"shown.bs.tab",CLICK_DATA_API:"click.bs.tab.data-api"},i={DROPDOWN_MENU:"dropdown-menu",ACTIVE:"active",DISABLED:"disabled",FADE:"fade",SHOW:"show"},o={DROPDOWN:".dropdown",NAV_LIST_GROUP:".nav, .list-group",ACTIVE:".active",ACTIVE_UL:"> li > .active",DATA_TOGGLE:'[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]',DROPDOWN_TOGGLE:".dropdown-toggle",DROPDOWN_ACTIVE_CHILD:"> .dropdown-menu .active"},a=function(){function t(t){this._element=t}var a=t.prototype;return a.show=function(){var t=this;if(!(this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE&&e(this._element).hasClass(i.ACTIVE)||e(this._element).hasClass(i.DISABLED))){var r,a,l=e(this._element).closest(o.NAV_LIST_GROUP)[0],h=s.getSelectorFromElement(this._element);if(l){var c="UL"===l.nodeName?o.ACTIVE_UL:o.ACTIVE;a=e.makeArray(e(l).find(c)),a=a[a.length-1]}var u=e.Event(n.HIDE,{relatedTarget:this._element}),d=e.Event(n.SHOW,{relatedTarget:a});if(a&&e(a).trigger(u),e(this._element).trigger(d),!d.isDefaultPrevented()&&!u.isDefaultPrevented()){h&&(r=e(h)[0]),this._activate(this._element,l);var f=function(){var i=e.Event(n.HIDDEN,{relatedTarget:t._element}),s=e.Event(n.SHOWN,{relatedTarget:a});e(a).trigger(i),e(t._element).trigger(s)};r?this._activate(r,r.parentNode,f):f()}}},a.dispose=function(){e.removeData(this._element,"bs.tab"),this._element=null},a._activate=function(t,n,r){var a,l=this,h=(a="UL"===n.nodeName?e(n).find(o.ACTIVE_UL):e(n).children(o.ACTIVE))[0],c=r&&s.supportsTransitionEnd()&&h&&e(h).hasClass(i.FADE),u=function(){return l._transitionComplete(t,h,c,r)};h&&c?e(h).one(s.TRANSITION_END,u).emulateTransitionEnd(150):u(),h&&e(h).removeClass(i.SHOW)},a._transitionComplete=function(t,n,r,a){if(n){e(n).removeClass(i.ACTIVE);var l=e(n.parentNode).find(o.DROPDOWN_ACTIVE_CHILD)[0];l&&e(l).removeClass(i.ACTIVE),"tab"===n.getAttribute("role")&&n.setAttribute("aria-selected",!1)}if(e(t).addClass(i.ACTIVE),"tab"===t.getAttribute("role")&&t.setAttribute("aria-selected",!0),r?(s.reflow(t),e(t).addClass(i.SHOW)):e(t).removeClass(i.FADE),t.parentNode&&e(t.parentNode).hasClass(i.DROPDOWN_MENU)){var h=e(t).closest(o.DROPDOWN)[0];h&&e(h).find(o.DROPDOWN_TOGGLE).addClass(i.ACTIVE),t.setAttribute("aria-expanded",!0)}a&&a()},t._jQueryInterface=function(n){return this.each(function(){var i=e(this),s=i.data("bs.tab");if(s||(s=new t(this),i.data("bs.tab",s)),"string"==typeof n){if("undefined"==typeof s[n])throw new Error('No method named "'+n+'"');s[n]()}})},r(t,null,[{key:"VERSION",get:function(){return"4.0.0-beta.2"}}]),t}();return e(document).on(n.CLICK_DATA_API,o.DATA_TOGGLE,function(t){t.preventDefault(),a._jQueryInterface.call(e(this),"show")}),e.fn.tab=a._jQueryInterface,e.fn.tab.Constructor=a,e.fn.tab.noConflict=function(){return e.fn.tab=t,a._jQueryInterface},a}();return function(){if("undefined"==typeof e)throw new Error("Bootstrap's JavaScript requires jQuery. jQuery must be included before Bootstrap's JavaScript.");var t=e.fn.jquery.split(" ")[0].split(".");if(t[0]<2&&t[1]<9||1===t[0]&&9===t[1]&&t[2]<1||t[0]>=4)throw new Error("Bootstrap's JavaScript requires at least jQuery v1.9.1 but less than v4.0.0")}(),t.Util=s,t.Alert=a,t.Button=l,t.Carousel=h,t.Collapse=c,t.Dropdown=u,t.Modal=d,t.Popover=_,t.Scrollspy=g,t.Tab=m,t.Tooltip=f,t}({},$,Popper);
+//# sourceMappingURL=bootstrap.min.js.map
\ No newline at end of file
diff --git a/assets/javascripts/bootstrap/alert.js b/assets/javascripts/bootstrap/alert.js
index 5985401..4c5e120 100644
--- a/assets/javascripts/bootstrap/alert.js
+++ b/assets/javascripts/bootstrap/alert.js
@@ -4,7 +4,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): alert.js
+ * Bootstrap (v4.0.0-beta.2): alert.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -15,7 +15,7 @@ var Alert = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'alert';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.alert';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -172,4 +172,4 @@ var Alert = function () {
   };
 
   return Alert;
-}(jQuery);
+}($);
diff --git a/assets/javascripts/bootstrap/button.js b/assets/javascripts/bootstrap/button.js
index 217fb34..a0de028 100644
--- a/assets/javascripts/bootstrap/button.js
+++ b/assets/javascripts/bootstrap/button.js
@@ -4,7 +4,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): button.js
+ * Bootstrap (v4.0.0-beta.2): button.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -15,7 +15,7 @@ var Button = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'button';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.button';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -163,4 +163,4 @@ var Button = function () {
   };
 
   return Button;
-}(jQuery);
+}($);
diff --git a/assets/javascripts/bootstrap/carousel.js b/assets/javascripts/bootstrap/carousel.js
index 16c23a9..e63ecc1 100644
--- a/assets/javascripts/bootstrap/carousel.js
+++ b/assets/javascripts/bootstrap/carousel.js
@@ -4,7 +4,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): carousel.js
+ * Bootstrap (v4.0.0-beta.2): carousel.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -15,7 +15,7 @@ var Carousel = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'carousel';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.carousel';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -500,4 +500,4 @@ var Carousel = function () {
   };
 
   return Carousel;
-}(jQuery);
+}($);
diff --git a/assets/javascripts/bootstrap/collapse.js b/assets/javascripts/bootstrap/collapse.js
index 6c406bd..bc124d6 100644
--- a/assets/javascripts/bootstrap/collapse.js
+++ b/assets/javascripts/bootstrap/collapse.js
@@ -4,7 +4,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): collapse.js
+ * Bootstrap (v4.0.0-beta.2): collapse.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -15,7 +15,7 @@ var Collapse = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'collapse';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.collapse';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -367,4 +367,4 @@ var Collapse = function () {
   };
 
   return Collapse;
-}(jQuery);
+}($);
diff --git a/assets/javascripts/bootstrap/dropdown.js b/assets/javascripts/bootstrap/dropdown.js
index 18af2d3..e83f0fd 100644
--- a/assets/javascripts/bootstrap/dropdown.js
+++ b/assets/javascripts/bootstrap/dropdown.js
@@ -4,7 +4,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): dropdown.js
+ * Bootstrap (v4.0.0-beta.2): dropdown.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -24,7 +24,7 @@ var Dropdown = function () {
 
 
   var NAME = 'dropdown';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.dropdown';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -77,7 +77,7 @@ var Dropdown = function () {
     flip: true
   };
   var DefaultType = {
-    offset: '(number|string)',
+    offset: '(number|string|function)',
     flip: 'boolean'
     /**
      * ------------------------------------------------------------------------
@@ -225,12 +225,23 @@ var Dropdown = function () {
     };
 
     _proto._getPopperConfig = function _getPopperConfig() {
+      var _this2 = this;
+
+      var offsetConf = {};
+
+      if (typeof this._config.offset === 'function') {
+        offsetConf.fn = function (data) {
+          data.offsets = $.extend({}, data.offsets, _this2._config.offset(data.offsets) || {});
+          return data;
+        };
+      } else {
+        offsetConf.offset = this._config.offset;
+      }
+
       var popperConfig = {
         placement: this._getPlacement(),
         modifiers: {
-          offset: {
-            offset: this._config.offset
-          },
+          offset: offsetConf,
           flip: {
             enabled: this._config.flip
           }
@@ -428,4 +439,4 @@ var Dropdown = function () {
   };
 
   return Dropdown;
-}(jQuery, Popper);
+}($, Popper);
diff --git a/assets/javascripts/bootstrap/modal.js b/assets/javascripts/bootstrap/modal.js
index 4873d05..c6f5f60 100644
--- a/assets/javascripts/bootstrap/modal.js
+++ b/assets/javascripts/bootstrap/modal.js
@@ -4,7 +4,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): modal.js
+ * Bootstrap (v4.0.0-beta.2): modal.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -15,7 +15,7 @@ var Modal = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'modal';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.modal';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -97,7 +97,7 @@ var Modal = function () {
     _proto.show = function show(relatedTarget) {
       var _this = this;
 
-      if (this._isTransitioning) {
+      if (this._isTransitioning || this._isShown) {
         return;
       }
 
@@ -155,12 +155,6 @@ var Modal = function () {
         return;
       }
 
-      var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
-
-      if (transition) {
-        this._isTransitioning = true;
-      }
-
       var hideEvent = $.Event(Event.HIDE);
       $(this._element).trigger(hideEvent);
 
@@ -169,6 +163,11 @@ var Modal = function () {
       }
 
       this._isShown = false;
+      var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
+
+      if (transition) {
+        this._isTransitioning = true;
+      }
 
       this._setEscapeEvent();
 
@@ -577,4 +576,4 @@ var Modal = function () {
   };
 
   return Modal;
-}(jQuery);
+}($);
diff --git a/assets/javascripts/bootstrap/popover.js b/assets/javascripts/bootstrap/popover.js
index b48520d..a317b7f 100644
--- a/assets/javascripts/bootstrap/popover.js
+++ b/assets/javascripts/bootstrap/popover.js
@@ -6,7 +6,7 @@ function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.crea
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): popover.js
+ * Bootstrap (v4.0.0-beta.2): popover.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -17,7 +17,7 @@ var Popover = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'popover';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.popover';
   var EVENT_KEY = "." + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
@@ -188,4 +188,4 @@ var Popover = function () {
   };
 
   return Popover;
-}(jQuery);
+}($);
diff --git a/assets/javascripts/bootstrap/scrollspy.js b/assets/javascripts/bootstrap/scrollspy.js
index 49b4879..c9218fc 100644
--- a/assets/javascripts/bootstrap/scrollspy.js
+++ b/assets/javascripts/bootstrap/scrollspy.js
@@ -4,7 +4,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): scrollspy.js
+ * Bootstrap (v4.0.0-beta.2): scrollspy.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -15,7 +15,7 @@ var ScrollSpy = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'scrollspy';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.scrollspy';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -311,4 +311,4 @@ var ScrollSpy = function () {
   };
 
   return ScrollSpy;
-}(jQuery);
+}($);
diff --git a/assets/javascripts/bootstrap/tab.js b/assets/javascripts/bootstrap/tab.js
index 32a362a..c66e82f 100644
--- a/assets/javascripts/bootstrap/tab.js
+++ b/assets/javascripts/bootstrap/tab.js
@@ -4,7 +4,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): tab.js
+ * Bootstrap (v4.0.0-beta.2): tab.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -15,7 +15,7 @@ var Tab = function () {
    * ------------------------------------------------------------------------
    */
   var NAME = 'tab';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.tab';
   var EVENT_KEY = "." + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -255,4 +255,4 @@ var Tab = function () {
   };
 
   return Tab;
-}(jQuery);
+}($);
diff --git a/assets/javascripts/bootstrap/tooltip.js b/assets/javascripts/bootstrap/tooltip.js
index 7522fc5..6d2bb1a 100644
--- a/assets/javascripts/bootstrap/tooltip.js
+++ b/assets/javascripts/bootstrap/tooltip.js
@@ -4,7 +4,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): tooltip.js
+ * Bootstrap (v4.0.0-beta.2): tooltip.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -24,7 +24,7 @@ var Tooltip = function () {
 
 
   var NAME = 'tooltip';
-  var VERSION = '4.0.0-beta';
+  var VERSION = '4.0.0-beta.2';
   var DATA_KEY = 'bs.tooltip';
   var EVENT_KEY = "." + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
@@ -661,4 +661,4 @@ var Tooltip = function () {
   };
 
   return Tooltip;
-}(jQuery, Popper);
+}($, Popper);
diff --git a/assets/javascripts/bootstrap/util.js b/assets/javascripts/bootstrap/util.js
index d8396a3..9eb542a 100644
--- a/assets/javascripts/bootstrap/util.js
+++ b/assets/javascripts/bootstrap/util.js
@@ -1,6 +1,6 @@
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-beta): util.js
+ * Bootstrap (v4.0.0-beta.2): util.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -138,4 +138,4 @@ var Util = function () {
   };
   setTransitionEndSupport();
   return Util;
-}(jQuery);
+}($);
diff --git a/assets/stylesheets/_bootstrap-grid.scss b/assets/stylesheets/_bootstrap-grid.scss
index 16d5eef..34b4fd9 100644
--- a/assets/stylesheets/_bootstrap-grid.scss
+++ b/assets/stylesheets/_bootstrap-grid.scss
@@ -1,11 +1,9 @@
-// Bootstrap Grid only
-//
-// Includes relevant variables and mixins for the flexbox grid
-// system, as well as the generated predefined classes (e.g., `.col-sm-4`).
-
-//
-// Box sizing, responsive, and more
-//
+/*!
+ * Bootstrap Grid v4.0.0-beta.2 (https://getbootstrap.com)
+ * Copyright 2011-2017 The Bootstrap Authors
+ * Copyright 2011-2017 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ */
 
 @at-root {
   @-ms-viewport { width: device-width; } // stylelint-disable-line at-rule-no-vendor-prefix
diff --git a/assets/stylesheets/_bootstrap-reboot.scss b/assets/stylesheets/_bootstrap-reboot.scss
index b4a9f4a..976e7e7 100644
--- a/assets/stylesheets/_bootstrap-reboot.scss
+++ b/assets/stylesheets/_bootstrap-reboot.scss
@@ -1,9 +1,12 @@
-// Bootstrap Reboot only
-//
-// Includes only Normalize and our custom Reboot reset.
+/*!
+ * Bootstrap Reboot v4.0.0-beta.2 (https://getbootstrap.com)
+ * Copyright 2011-2017 The Bootstrap Authors
+ * Copyright 2011-2017 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * Forked from Normalize.css, licensed MIT (https://github.com/necolas/normalize.css/blob/master/LICENSE.md)
+ */
 
 @import "bootstrap/functions";
 @import "bootstrap/variables";
 @import "bootstrap/mixins";
-
 @import "bootstrap/reboot";
diff --git a/assets/stylesheets/_bootstrap.scss b/assets/stylesheets/_bootstrap.scss
index bb1bb10..ccc5186 100644
--- a/assets/stylesheets/_bootstrap.scss
+++ b/assets/stylesheets/_bootstrap.scss
@@ -1,5 +1,5 @@
 /*!
- * Bootstrap v4.0.0-beta (https://getbootstrap.com)
+ * Bootstrap v4.0.0-beta.2 (https://getbootstrap.com)
  * Copyright 2011-2017 The Bootstrap Authors
  * Copyright 2011-2017 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
diff --git a/assets/stylesheets/bootstrap/_buttons.scss b/assets/stylesheets/bootstrap/_buttons.scss
index 72fc5f3..7cd2783 100644
--- a/assets/stylesheets/bootstrap/_buttons.scss
+++ b/assets/stylesheets/bootstrap/_buttons.scss
@@ -22,7 +22,7 @@
   &:focus,
   &.focus {
     outline: 0;
-    box-shadow: $btn-focus-box-shadow;
+    box-shadow: $input-btn-focus-box-shadow;
   }
 
   // Disabled comes first so active can properly restyle
@@ -35,7 +35,7 @@
   &:not([disabled]):not(.disabled):active,
   &:not([disabled]):not(.disabled).active {
     background-image: none;
-    @include box-shadow($btn-focus-box-shadow, $btn-active-box-shadow);
+    @include box-shadow($input-btn-focus-box-shadow, $btn-active-box-shadow);
   }
 }
 
diff --git a/assets/stylesheets/bootstrap/_carousel.scss b/assets/stylesheets/bootstrap/_carousel.scss
index 8aa14ac..c3c2073 100644
--- a/assets/stylesheets/bootstrap/_carousel.scss
+++ b/assets/stylesheets/bootstrap/_carousel.scss
@@ -90,9 +90,15 @@
 }
 .carousel-control-prev {
   left: 0;
+  @if $enable-gradients {
+    background: linear-gradient(90deg, rgba(0,0,0,.25), rgba(0,0,0,.001));
+  }
 }
 .carousel-control-next {
   right: 0;
+  @if $enable-gradients {
+    background: linear-gradient(270deg, rgba(0,0,0,.25), rgba(0,0,0,.001));
+  }
 }
 
 // Icons for within
diff --git a/assets/stylesheets/bootstrap/_custom-forms.scss b/assets/stylesheets/bootstrap/_custom-forms.scss
index 41dae4d..a521dbd 100644
--- a/assets/stylesheets/bootstrap/_custom-forms.scss
+++ b/assets/stylesheets/bootstrap/_custom-forms.scss
@@ -22,7 +22,7 @@
 
   &:checked ~ .custom-control-indicator {
     color: $custom-control-indicator-checked-color;
-    background-color: $custom-control-indicator-checked-bg;
+    @include gradient-bg($custom-control-indicator-checked-bg);
     @include box-shadow($custom-control-indicator-checked-box-shadow);
   }
 
@@ -33,7 +33,7 @@
 
   &:active ~ .custom-control-indicator {
     color: $custom-control-indicator-active-color;
-    background-color: $custom-control-indicator-active-bg;
+    @include gradient-bg($custom-control-indicator-active-bg);
     @include box-shadow($custom-control-indicator-active-box-shadow);
   }
 
@@ -244,7 +244,7 @@
     padding: $custom-file-padding-y $custom-file-padding-x;
     line-height: $custom-file-line-height;
     color: $custom-file-button-color;
-    background-color: $custom-file-button-bg;
+    @include gradient-bg($custom-file-button-bg);
     border: $custom-file-border-width solid $custom-file-border-color;
     @include border-radius(0 $custom-file-border-radius $custom-file-border-radius 0);
   }
diff --git a/assets/stylesheets/bootstrap/_dropdown.scss b/assets/stylesheets/bootstrap/_dropdown.scss
index 1782d5b..daa867a 100644
--- a/assets/stylesheets/bootstrap/_dropdown.scss
+++ b/assets/stylesheets/bootstrap/_dropdown.scss
@@ -67,14 +67,14 @@
   @include hover-focus {
     color: $dropdown-link-hover-color;
     text-decoration: none;
-    background-color: $dropdown-link-hover-bg;
+    @include gradient-bg($dropdown-link-hover-bg);
   }
 
   &.active,
   &:active {
     color: $dropdown-link-active-color;
     text-decoration: none;
-    background-color: $dropdown-link-active-bg;
+    @include gradient-bg($dropdown-link-active-bg);
   }
 
   &.disabled,
diff --git a/assets/stylesheets/bootstrap/_forms.scss b/assets/stylesheets/bootstrap/_forms.scss
index 0ece186..80bc7f3 100644
--- a/assets/stylesheets/bootstrap/_forms.scss
+++ b/assets/stylesheets/bootstrap/_forms.scss
@@ -316,11 +316,6 @@ select.form-control-lg {
       width: auto;
     }
 
-    .form-control-label {
-      margin-bottom: 0;
-      vertical-align: middle;
-    }
-
     // Remove default margin on radios/checkboxes that were used for stacking, and
     // then undo the floating of radios and checkboxes to match.
     .form-check {
diff --git a/assets/stylesheets/bootstrap/_functions.scss b/assets/stylesheets/bootstrap/_functions.scss
index 5d43b57..43210f7 100644
--- a/assets/stylesheets/bootstrap/_functions.scss
+++ b/assets/stylesheets/bootstrap/_functions.scss
@@ -49,7 +49,7 @@
 }
 
 // Color contrast
-@mixin color-yiq($color) {
+@function color-yiq($color) {
   $r: red($color);
   $g: green($color);
   $b: blue($color);
@@ -57,9 +57,9 @@
   $yiq: (($r * 299) + ($g * 587) + ($b * 114)) / 1000;
 
   @if ($yiq >= 150) {
-    color: #111;
+    @return #111;
   } @else {
-    color: #fff;
+    @return #fff;
   }
 }
 
diff --git a/assets/stylesheets/bootstrap/_list-group.scss b/assets/stylesheets/bootstrap/_list-group.scss
index ce3876b..7e0b19e 100644
--- a/assets/stylesheets/bootstrap/_list-group.scss
+++ b/assets/stylesheets/bootstrap/_list-group.scss
@@ -86,13 +86,8 @@
 .list-group-flush {
   .list-group-item {
     border-right: 0;
-    border-bottom: 0;
     border-left: 0;
     border-radius: 0;
-
-    &:first-child {
-      border-top: 0;
-    }
   }
 
   &:first-child {
diff --git a/assets/stylesheets/bootstrap/_popover.scss b/assets/stylesheets/bootstrap/_popover.scss
index 950d6ca..4503767 100644
--- a/assets/stylesheets/bootstrap/_popover.scss
+++ b/assets/stylesheets/bootstrap/_popover.scss
@@ -5,7 +5,6 @@
   z-index: $zindex-popover;
   display: block;
   max-width: $popover-max-width;
-  padding: $popover-inner-padding;
   // Our parent element can be arbitrary since tooltips are by default inserted as a sibling of their target element.
   // So reset our font and text properties to avoid inheriting weird values.
   @include reset-text();
@@ -39,11 +38,11 @@
 
   .arrow::before {
     content: "";
-    border-width: $popover-arrow-outer-width;
+    border-width: $popover-arrow-width;
   }
   .arrow::after {
     content: "";
-    border-width: $popover-arrow-outer-width;
+    border-width: $popover-arrow-width;
   }
 
   // Popover directions
@@ -61,14 +60,14 @@
     }
 
     .arrow::before {
-      bottom: -$popover-arrow-outer-width;
-      margin-left: -($popover-arrow-outer-width - 5);
+      bottom: -$popover-arrow-width;
+      margin-left: -$popover-arrow-width;
       border-top-color: $popover-arrow-outer-color;
     }
 
     .arrow::after {
-      bottom: -($popover-arrow-outer-width - 1);
-      margin-left: -($popover-arrow-outer-width - 5);
+      bottom: calc((#{$popover-arrow-width} - #{$popover-border-width}) * -1);
+      margin-left: -$popover-arrow-width;
       border-top-color: $popover-arrow-color;
     }
   }
@@ -82,17 +81,17 @@
 
     .arrow::before,
     .arrow::after {
-      margin-top: -($popover-arrow-outer-width - 3);
+      margin-top: -$popover-arrow-width;
       border-left-width: 0;
     }
 
     .arrow::before {
-      left: -$popover-arrow-outer-width;
+      left: -$popover-arrow-width;
       border-right-color: $popover-arrow-outer-color;
     }
 
     .arrow::after {
-      left: -($popover-arrow-outer-width - 1);
+      left: calc((#{$popover-arrow-width} - #{$popover-border-width}) * -1);
       border-right-color: $popover-arrow-color;
     }
   }
@@ -106,17 +105,17 @@
 
     .arrow::before,
     .arrow::after {
-      margin-left: -($popover-arrow-width - 3);
+      margin-left: -$popover-arrow-width;
       border-top-width: 0;
     }
 
     .arrow::before {
-      top: -$popover-arrow-outer-width;
+      top: -$popover-arrow-width;
       border-bottom-color: $popover-arrow-outer-color;
     }
 
     .arrow::after {
-      top: -($popover-arrow-outer-width - 1);
+      top: calc((#{$popover-arrow-width} - #{$popover-border-width}) * -1);
       border-bottom-color: $popover-arrow-color;
     }
 
@@ -129,7 +128,7 @@
       width: 20px;
       margin-left: -10px;
       content: "";
-      border-bottom: 1px solid $popover-header-bg;
+      border-bottom: $popover-border-width solid $popover-header-bg;
     }
   }
 
@@ -142,17 +141,17 @@
 
     .arrow::before,
     .arrow::after {
-      margin-top: -($popover-arrow-outer-width - 3);
+      margin-top: -$popover-arrow-width;
       border-right-width: 0;
     }
 
     .arrow::before {
-      right: -$popover-arrow-outer-width;
+      right: -$popover-arrow-width;
       border-left-color: $popover-arrow-outer-color;
     }
 
     .arrow::after {
-      right: -($popover-arrow-outer-width - 1);
+      right: calc((#{$popover-arrow-width} - #{$popover-border-width}) * -1);
       border-left-color: $popover-arrow-color;
     }
   }
diff --git a/assets/stylesheets/bootstrap/_variables.scss b/assets/stylesheets/bootstrap/_variables.scss
index 1808e4b..0615f35 100644
--- a/assets/stylesheets/bootstrap/_variables.scss
+++ b/assets/stylesheets/bootstrap/_variables.scss
@@ -62,16 +62,25 @@ $colors: map-merge((
   "gray-dark":  $gray-800
 ), $colors);
 
+$primary:       $blue !default;
+$secondary:     $gray-600 !default;
+$success:       $green !default;
+$info:          $cyan !default;
+$warning:       $yellow !default;
+$danger:        $red !default;
+$light:         $gray-100 !default;
+$dark:          $gray-800 !default;
+
 $theme-colors: () !default;
 $theme-colors: map-merge((
-  "primary":    $blue,
-  "secondary":  $gray-600,
-  "success":    $green,
-  "info":       $cyan,
-  "warning":    $yellow,
-  "danger":     $red,
-  "light":      $gray-100,
-  "dark":       $gray-800
+  "primary":    $primary,
+  "secondary":  $secondary,
+  "success":    $success,
+  "info":       $info,
+  "warning":    $warning,
+  "danger":     $danger,
+  "light":      $light,
+  "dark":       $dark
 ), $theme-colors);
 // stylelint-enable
 
@@ -213,8 +222,8 @@ $font-family-base:            $font-family-sans-serif !default;
 // stylelint-enable value-keyword-case
 
 $font-size-base:              1rem !default; // Assumes the browser default, typically `16px`
-$font-size-lg:                1.25rem !default;
-$font-size-sm:                .875rem !default;
+$font-size-lg:                ($font-size-base * 1.25) !default;
+$font-size-sm:                ($font-size-base * .875) !default;
 
 $font-weight-light:           300 !default;
 $font-weight-normal:          400 !default;
@@ -223,17 +232,17 @@ $font-weight-bold:            700 !default;
 $font-weight-base:            $font-weight-normal !default;
 $line-height-base:            1.5 !default;
 
-$h1-font-size:                2.5rem !default;
-$h2-font-size:                2rem !default;
-$h3-font-size:                1.75rem !default;
-$h4-font-size:                1.5rem !default;
-$h5-font-size:                1.25rem !default;
-$h6-font-size:                1rem !default;
+$h1-font-size:                $font-size-base * 2.5 !default;
+$h2-font-size:                $font-size-base * 2 !default;
+$h3-font-size:                $font-size-base * 1.75 !default;
+$h4-font-size:                $font-size-base * 1.5 !default;
+$h5-font-size:                $font-size-base * 1.25 !default;
+$h6-font-size:                $font-size-base !default;
 
 $headings-margin-bottom:      ($spacer / 2) !default;
 $headings-font-family:        inherit !default;
 $headings-font-weight:        500 !default;
-$headings-line-height:        1.1 !default;
+$headings-line-height:        1.2 !default;
 $headings-color:              inherit !default;
 
 $display1-size:               6rem !default;
@@ -247,7 +256,7 @@ $display3-weight:             300 !default;
 $display4-weight:             300 !default;
 $display-line-height:         $headings-line-height !default;
 
-$lead-font-size:              1.25rem !default;
+$lead-font-size:              ($font-size-base * 1.25) !default;
 $lead-font-weight:            300 !default;
 
 $small-font-size:             80% !default;
@@ -305,6 +314,10 @@ $input-btn-padding-y:         .375rem !default;
 $input-btn-padding-x:         .75rem !default;
 $input-btn-line-height:       $line-height-base !default;
 
+$input-btn-focus-width:       .2rem !default;
+$input-btn-focus-color:       rgba(theme-color("primary"), .25) !default;
+$input-btn-focus-box-shadow:  0 0 0 $input-btn-focus-width $input-btn-focus-color !default;
+
 $input-btn-padding-y-sm:      .25rem !default;
 $input-btn-padding-x-sm:      .5rem !default;
 $input-btn-line-height-sm:    $line-height-sm !default;
@@ -315,7 +328,6 @@ $input-btn-line-height-lg:    $line-height-lg !default;
 
 $btn-font-weight:             $font-weight-normal !default;
 $btn-box-shadow:              inset 0 1px 0 rgba($white,.15), 0 1px 1px rgba($black,.075) !default;
-$btn-focus-box-shadow:        0 0 0 3px rgba(theme-color("primary"), .25) !default;
 $btn-active-box-shadow:       inset 0 3px 5px rgba($black,.125) !default;
 
 $btn-link-disabled-color:     $gray-600 !default;
@@ -346,7 +358,6 @@ $input-border-radius-sm:                $border-radius-sm !default;
 
 $input-focus-bg:                        $input-bg !default;
 $input-focus-border-color:              lighten(theme-color("primary"), 25%) !default;
-$input-focus-box-shadow:                $input-box-shadow, $btn-focus-box-shadow !default;
 $input-focus-color:                     $input-color !default;
 
 $input-placeholder-color:               $gray-600 !default;
@@ -395,7 +406,7 @@ $custom-control-indicator-checked-color:        $white !default;
 $custom-control-indicator-checked-bg:           theme-color("primary") !default;
 $custom-control-indicator-checked-box-shadow:   none !default;
 
-$custom-control-indicator-focus-box-shadow:     0 0 0 1px $body-bg, 0 0 0 3px theme-color("primary") !default;
+$custom-control-indicator-focus-box-shadow:     0 0 0 1px $body-bg, $input-btn-focus-box-shadow !default;
 
 $custom-control-indicator-active-color:         $white !default;
 $custom-control-indicator-active-bg:            lighten(theme-color("primary"), 35%) !default;
@@ -530,9 +541,9 @@ $navbar-padding-x:                  $spacer !default;
 
 $navbar-brand-font-size:            $font-size-lg !default;
 // Compute the navbar-brand padding-y so the navbar-brand will have the same height as navbar-text and nav-link
-$nav-link-height:                   $navbar-brand-font-size * $line-height-base !default;
-$navbar-brand-height:               ($font-size-base * $line-height-base + $nav-link-padding-y * 2) !default;
-$navbar-brand-padding-y:            ($navbar-brand-height - $nav-link-height) / 2 !default;
+$nav-link-height:                   ($font-size-base * $line-height-base + $nav-link-padding-y * 2) !default;
+$navbar-brand-height:               $navbar-brand-font-size * $line-height-base !default;
+$navbar-brand-padding-y:            ($nav-link-height - $navbar-brand-height) / 2 !default;
 
 $navbar-toggler-padding-y:          .25rem !default;
 $navbar-toggler-padding-x:          .75rem !default;
@@ -626,27 +637,25 @@ $tooltip-arrow-color:               $tooltip-bg !default;
 
 // Popovers
 
-$popover-inner-padding:             1px !default;
 $popover-bg:                        $white !default;
 $popover-max-width:                 276px !default;
 $popover-border-width:              $border-width !default;
 $popover-border-color:              rgba($black,.2) !default;
-$popover-box-shadow:                0 5px 10px rgba($black,.2) !default;
+$popover-box-shadow:                0 .25rem .5rem rgba($black,.2) !default;
 
 $popover-header-bg:                 darken($popover-bg, 3%) !default;
 $popover-header-color:              $headings-color !default;
-$popover-header-padding-y:          8px !default;
-$popover-header-padding-x:          14px !default;
+$popover-header-padding-y:          .5rem !default;
+$popover-header-padding-x:          .75rem !default;
 
 $popover-body-color:                $body-color !default;
-$popover-body-padding-y:            9px !default;
-$popover-body-padding-x:            14px !default;
+$popover-body-padding-y:            $popover-header-padding-y !default;
+$popover-body-padding-x:            $popover-header-padding-x !default;
 
-$popover-arrow-width:               10px !default;
-$popover-arrow-height:              5px !default;
+$popover-arrow-width:               .8rem !default;
+$popover-arrow-height:              .4rem !default;
 $popover-arrow-color:               $popover-bg !default;
 
-$popover-arrow-outer-width:         ($popover-arrow-width + 1px) !default;
 $popover-arrow-outer-color:         fade-in($popover-border-color, .05) !default;
 
 
@@ -710,7 +719,7 @@ $alert-border-width:                $border-width !default;
 // Progress bars
 
 $progress-height:                   1rem !default;
-$progress-font-size:                .75rem !default;
+$progress-font-size:                ($font-size-base * .75) !default;
 $progress-bg:                       $gray-200 !default;
 $progress-border-radius:            $border-radius !default;
 $progress-box-shadow:               inset 0 .1rem .1rem rgba($black,.1) !default;
diff --git a/assets/stylesheets/bootstrap/mixins/_alert.scss b/assets/stylesheets/bootstrap/mixins/_alert.scss
index d938e89..db5a7eb 100644
--- a/assets/stylesheets/bootstrap/mixins/_alert.scss
+++ b/assets/stylesheets/bootstrap/mixins/_alert.scss
@@ -1,6 +1,6 @@
 @mixin alert-variant($background, $border, $color) {
   color: $color;
-  background-color: $background;
+  @include gradient-bg($background);
   border-color: $border;
 
   hr {
diff --git a/assets/stylesheets/bootstrap/mixins/_background-variant.scss b/assets/stylesheets/bootstrap/mixins/_background-variant.scss
index 5860d73..7d1bc97 100644
--- a/assets/stylesheets/bootstrap/mixins/_background-variant.scss
+++ b/assets/stylesheets/bootstrap/mixins/_background-variant.scss
@@ -12,3 +12,9 @@
     }
   }
 }
+
+@mixin bg-gradient-variant($parent, $color) {
+  #{$parent} {
+    background: $color linear-gradient(180deg, mix($body-bg, $color, 15%), $color) repeat-x !important;
+  }
+}
diff --git a/assets/stylesheets/bootstrap/mixins/_badge.scss b/assets/stylesheets/bootstrap/mixins/_badge.scss
index 257a6ab..eeca0b4 100644
--- a/assets/stylesheets/bootstrap/mixins/_badge.scss
+++ b/assets/stylesheets/bootstrap/mixins/_badge.scss
@@ -1,10 +1,10 @@
 @mixin badge-variant($bg) {
-  @include color-yiq($bg);
+  color: color-yiq($bg);
   background-color: $bg;
 
   &[href] {
     @include hover-focus {
-      @include color-yiq($bg);
+      color: color-yiq($bg);
       text-decoration: none;
       background-color: darken($bg, 10%);
     }
diff --git a/assets/stylesheets/bootstrap/mixins/_buttons.scss b/assets/stylesheets/bootstrap/mixins/_buttons.scss
index 7ce8fef..9e06261 100644
--- a/assets/stylesheets/bootstrap/mixins/_buttons.scss
+++ b/assets/stylesheets/bootstrap/mixins/_buttons.scss
@@ -3,25 +3,25 @@
 // Easily pump out default styles, as well as :hover, :focus, :active,
 // and disabled options for all buttons
 
-@mixin button-variant($background, $border, $active-background: darken($background, 7.5%), $active-border: darken($border, 10%)) {
-  @include color-yiq($background);
-  background-color: $background;
+@mixin button-variant($background, $border, $hover-background: darken($background, 7.5%), $hover-border: darken($border, 10%), $active-background: darken($background, 10%), $active-border: darken($border, 12.5%)) {
+  color: color-yiq($background);
+  @include gradient-bg($background);
   border-color: $border;
   @include box-shadow($btn-box-shadow);
 
   @include hover {
-    @include color-yiq($active-background);
-    background-color: $active-background;
-    border-color: $active-border;
+    color: color-yiq($hover-background);
+    @include gradient-bg($hover-background);
+    border-color: $hover-border;
   }
 
   &:focus,
   &.focus {
     // Avoid using mixin so we can pass custom focus shadow properly
     @if $enable-shadows {
-      box-shadow: $btn-box-shadow, 0 0 0 3px rgba($border, .5);
+      box-shadow: $btn-box-shadow, 0 0 0 $input-btn-focus-width rgba($border, .5);
     } @else {
-      box-shadow: 0 0 0 3px rgba($border, .5);
+      box-shadow: 0 0 0 $input-btn-focus-width rgba($border, .5);
     }
   }
 
@@ -35,10 +35,19 @@
   &:not([disabled]):not(.disabled):active,
   &:not([disabled]):not(.disabled).active,
   .show > &.dropdown-toggle {
+    color: color-yiq($active-background);
     background-color: $active-background;
-    background-image: none; // Remove the gradient for the pressed/active state
+    @if $enable-gradients {
+      background-image: none; // Remove the gradient for the pressed/active state
+    }
     border-color: $active-border;
-    @include box-shadow($btn-active-box-shadow);
+
+    // Avoid using mixin so we can pass custom focus shadow properly
+    @if $enable-shadows {
+      box-shadow: $btn-active-box-shadow, 0 0 0 $input-btn-focus-width rgba($border, .5);
+    } @else {
+      box-shadow: 0 0 0 $input-btn-focus-width rgba($border, .5);
+    }
   }
 }
 
@@ -56,7 +65,7 @@
 
   &:focus,
   &.focus {
-    box-shadow: 0 0 0 3px rgba($color, .5);
+    box-shadow: 0 0 0 $input-btn-focus-width rgba($color, .5);
   }
 
   &.disabled,
@@ -71,6 +80,8 @@
     color: $color-hover;
     background-color: $color;
     border-color: $color;
+    // Avoid using mixin so we can pass custom focus shadow properly
+    box-shadow: 0 0 0 $input-btn-focus-width rgba($color, .5);
   }
 }
 
diff --git a/assets/stylesheets/bootstrap/mixins/_forms.scss b/assets/stylesheets/bootstrap/mixins/_forms.scss
index 6403f46..19d5280 100644
--- a/assets/stylesheets/bootstrap/mixins/_forms.scss
+++ b/assets/stylesheets/bootstrap/mixins/_forms.scss
@@ -16,7 +16,12 @@
     background-color: $input-focus-bg;
     border-color: $input-focus-border-color;
     outline: none;
-    @include box-shadow($input-focus-box-shadow);
+    // Avoid using mixin so we can pass custom focus shadow properly
+    @if $enable-shadows {
+      box-shadow: $input-box-shadow, $input-btn-focus-box-shadow;
+    } @else {
+      box-shadow: $input-btn-focus-box-shadow;
+    }
   }
 }
 
diff --git a/assets/stylesheets/bootstrap/mixins/_gradients.scss b/assets/stylesheets/bootstrap/mixins/_gradients.scss
index bad79f9..ecd01f7 100644
--- a/assets/stylesheets/bootstrap/mixins/_gradients.scss
+++ b/assets/stylesheets/bootstrap/mixins/_gradients.scss
@@ -1,5 +1,13 @@
 // Gradients
 
+@mixin gradient-bg($color) {
+  @if $enable-gradients {
+    background: $color linear-gradient(180deg, mix($body-bg, $color, 15%), $color) repeat-x;
+  } @else {
+    background-color: $color;
+  }
+}
+
 // Horizontal gradient, from left to right
 //
 // Creates two color stops, start and end, by specifying a color and position for each color stop.
diff --git a/assets/stylesheets/bootstrap/utilities/_background.scss b/assets/stylesheets/bootstrap/utilities/_background.scss
index 3d2e07d..1f18b2f 100644
--- a/assets/stylesheets/bootstrap/utilities/_background.scss
+++ b/assets/stylesheets/bootstrap/utilities/_background.scss
@@ -4,6 +4,12 @@
   @include bg-variant(".bg-#{$color}", $value);
 }
 
+@if $enable-gradients {
+  @each $color, $value in $theme-colors {
+    @include bg-gradient-variant(".bg-gradient-#{$color}", $value);
+  }
+}
+
 .bg-white {
   background-color: $white !important;
 }
diff --git a/lib/bootstrap/version.rb b/lib/bootstrap/version.rb
index 67dd0eb..e779c24 100644
--- a/lib/bootstrap/version.rb
+++ b/lib/bootstrap/version.rb
@@ -1,4 +1,4 @@
 module Bootstrap
   VERSION       = '4.0.0.beta'
-  BOOTSTRAP_SHA = 'a9fa21e701536e84789169fec6a1f4a0f821ee3c'
+  BOOTSTRAP_SHA = 'fc94de5b8b5b329a298eeeb76174b146ff17af2d'
 end