Update Twitter Bootstrap upto v3.1.1.

_assets/vendor/bootstrap/js/transition.js

@@ -1,24 +1,14 @@
 /* ========================================================================
- * Bootstrap: transition.js v3.0.3
+ * Bootstrap: transition.js v3.1.1
  * http://getbootstrap.com/javascript/#transitions
  * ========================================================================
- * Copyright 2013 Twitter, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2011-2014 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
 
-+function ($) { "use strict";
++function ($) {
+  'use strict';
 
   // CSS TRANSITION SUPPORT (Shoutout: http://www.modernizr.com/)
   // ============================================================
@@ -27,10 +17,10 @@
     var el = document.createElement('bootstrap')
 
     var transEndEventNames = {
-      'WebkitTransition' : 'webkitTransitionEnd'
-    , 'MozTransition'    : 'transitionend'
-    , 'OTransition'      : 'oTransitionEnd otransitionend'
-    , 'transition'       : 'transitionend'
+      'WebkitTransition' : 'webkitTransitionEnd',
+      'MozTransition'    : 'transitionend',
+      'OTransition'      : 'oTransitionEnd otransitionend',
+      'transition'       : 'transitionend'
     }
 
     for (var name in transEndEventNames) {
@@ -38,6 +28,8 @@
         return { end: transEndEventNames[name] }
       }
     }
+
+    return false // explicit for ie8 (  ._.)
   }
 
   // http://blog.alexmaccaw.com/css-transitions