removed lots of trailing whitespace

3 files changed, 26 insertions, 26 deletions

diff --git a/core/Settings/Setting.php b/core/Settings/Setting.php
index 41cffbe526..2b8e53bf26 100644
--- a/core/Settings/Setting.php
+++ b/core/Settings/Setting.php
@@ -19,7 +19,7 @@ abstract class Setting
     /**
      * Describes the setting's PHP data type. When saved, setting values will always be casted to this
      * type.
-     * 
+     *
      * See {@link Piwik\Plugin\Settings} for a list of supported data types.
      *
      * @var string
@@ -30,7 +30,7 @@ abstract class Setting
      * Describes what HTML element should be used to manipulate the setting through Piwik's UI.
      *
      * See {@link Piwik\Plugin\Settings} for a list of supported control types.
-     * 
+     *
      * @var string
      */
     public $uiControlType = null;
@@ -38,22 +38,22 @@ abstract class Setting
     /**
      * Name-value mapping of HTML attributes that will be added HTML form control, eg,
      * `array('size' => 3)`. Attributes will be escaped before outputting.
-     * 
+     *
      * @var array
      */
     public $uiControlAttributes = array();
 
     /**
      * The list of all available values for this setting. If null, the setting can have any value.
-     * 
+     *
      * If supplied, this field should be an array mapping available values with their prettified
      * display value. Eg, if set to `array('nb_visits' => 'Visits', 'nb_actions' => 'Actions')`,
      * the UI will display **Visits** and **Actions**, and when the user selects one, Piwik will
      * set the setting to **nb_visits** or **nb_actions** respectively.
-     * 
+     *
      * The setting value will be validated if this field is set. If the value is not one of the
      * available values, an error will be triggered.
-     * 
+     *
      * _Note: If a custom validator is supplied (see {@link $validate}), the setting value will
      * not be validated._
      *
@@ -63,7 +63,7 @@ abstract class Setting
 
     /**
      * Text that will appear above this setting's section in the _Plugin Settings_ admin page.
-     * 
+     *
      * @var null|string
      */
     public $introduction    = null;
@@ -71,7 +71,7 @@ abstract class Setting
     /**
      * Text that will appear directly underneath the setting title in the _Plugin Settings_ admin
      * page. If set, should be a short description of the setting.
-     * 
+     *
      * @var null|string
      */
     public $description     = null;
@@ -80,20 +80,20 @@ abstract class Setting
      * Text that will appear next to the setting's section in the _Plugin Settings_ admin page. If set,
      * it should contain information about the setting that is more specific than a general description,
      * such as the format of the setting value if it has a special format.
-     * 
+     *
      * @var null|string
      */
     public $inlineHelp      = null;
 
     /**
      * A closure that does some custom validation on the setting before the setting is persisted.
-     * 
+     *
      * The closure should take two arguments: the setting value and the {@link Setting} instance being
      * validated. If the value is found to be invalid, the closure should throw an exception with
      * a message that describes the error.
-     * 
+     *
      * **Example**
-     * 
+     *
      *     $setting->validate = function ($value, Setting $setting) {
      *         if ($value > 60) {
      *             throw new \Exception('The time limit is not allowed to be greater than 60 minutes.');
@@ -107,13 +107,13 @@ abstract class Setting
     /**
      * A closure that transforms the setting value. If supplied, this closure will be executed after
      * the setting has been validated.
-     * 
+     *
      * _Note: If a transform is supplied, the setting's {@link $type} has no effect. This means the
      * transformation function will be responsible for casting the setting value to the appropriate
      * data type._
      *
      * **Example**
-     * 
+     *
      *     $setting->transform = function ($value, Setting $setting) {
      *         if ($value > 30) {
      *             $value = 30;
@@ -128,7 +128,7 @@ abstract class Setting
 
     /**
      * Default value of this setting.
-     * 
+     *
      * The default value is not casted to the appropriate data type. This means _**you**_ have to make
      * sure the value is of the correct type.
      *
@@ -169,7 +169,7 @@ abstract class Setting
 
     /**
      * Returns the setting's persisted name, eg, `'refreshInterval'`.
-     * 
+     *
      * @return string
      */
     public function getName()
@@ -179,7 +179,7 @@ abstract class Setting
 
     /**
      * Returns `true` if this setting can be displayed for the current user, `false` if otherwise.
-     * 
+     *
      * @return bool
      */
     public function isWritableByCurrentUser()
@@ -199,7 +199,7 @@ abstract class Setting
 
     /**
      * Sets the object used to persist settings.
-     * 
+     *
      * @return StorageInterface
      */
     public function setStorage(StorageInterface $storage)
@@ -210,7 +210,7 @@ abstract class Setting
     /**
      * Returns the previously persisted setting value. If no value was set, the default value
      * is returned.
-     * 
+     *
      * @return mixed
      * @throws \Exception If the current user is not allowed to change the value of this setting.
      */
@@ -221,7 +221,7 @@ abstract class Setting
 
     /**
      * Sets and persists this setting's value overwriting any existing value.
-     * 
+     *
      * @param mixed $value
      * @throws \Exception If the current user is not allowed to change the value of this setting.
      */
@@ -242,7 +242,7 @@ abstract class Setting
 
     /**
      * Returns the display order. The lower the return value, the earlier the setting will be displayed.
-     * 
+     *
      * @return int
      */
     public function getOrder()
diff --git a/core/Settings/SystemSetting.php b/core/Settings/SystemSetting.php
index f26c979ae1..935aec1388 100644
--- a/core/Settings/SystemSetting.php
+++ b/core/Settings/SystemSetting.php
@@ -14,7 +14,7 @@ use Piwik\Piwik;
 /**
  * Describes a system wide setting. Only the Super User can change this type of setting and
  * the value of this setting will affect all users.
- * 
+ *
  * See {@link \Piwik\Plugin\Settings}.
  *
  *
@@ -33,7 +33,7 @@ class SystemSetting extends Setting
 
     /**
      * Constructor.
-     * 
+     *
      * @param string $name The persisted name of the setting.
      * @param string $title The display name of the setting.
      */
@@ -47,7 +47,7 @@ class SystemSetting extends Setting
 
     /**
      * Returns the display order. System settings are displayed before user settings.
-     * 
+     *
      * @return int
      */
     public function getOrder()
diff --git a/core/Settings/UserSetting.php b/core/Settings/UserSetting.php
index 8f56f7104d..fa29269707 100644
--- a/core/Settings/UserSetting.php
+++ b/core/Settings/UserSetting.php
@@ -24,7 +24,7 @@ class UserSetting extends Setting
 
     /**
      * Constructor.
-     * 
+     *
      * @param string $name The setting's persisted name.
      * @param string $title The setting's display name.
      * @param null|string $userLogin The user this setting applies to. Will default to the current user login.
@@ -41,7 +41,7 @@ class UserSetting extends Setting
 
     /**
      * Returns the display order. User settings are displayed after system settings.
-     * 
+     *
      * @return int
      */
     public function getOrder()