diff -r 3416f82943ea -r 0ded9d7748b7 bootstrap-source/bootstrap-3.0.3/js/transition.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bootstrap-source/bootstrap-3.0.3/js/transition.js	Fri Dec 20 22:49:16 2013 +0100
@@ -0,0 +1,56 @@
+/* ========================================================================
+ * Bootstrap: transition.js v3.0.3
+ * 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.
+ * ======================================================================== */
+
+
++function ($) { "use strict";
+
+  // CSS TRANSITION SUPPORT (Shoutout: http://www.modernizr.com/)
+  // ============================================================
+
+  function transitionEnd() {
+    var el = document.createElement('bootstrap')
+
+    var transEndEventNames = {
+      'WebkitTransition' : 'webkitTransitionEnd'
+    , 'MozTransition'    : 'transitionend'
+    , 'OTransition'      : 'oTransitionEnd otransitionend'
+    , 'transition'       : 'transitionend'
+    }
+
+    for (var name in transEndEventNames) {
+      if (el.style[name] !== undefined) {
+        return { end: transEndEventNames[name] }
+      }
+    }
+  }
+
+  // http://blog.alexmaccaw.com/css-transitions
+  $.fn.emulateTransitionEnd = function (duration) {
+    var called = false, $el = this
+    $(this).one($.support.transition.end, function () { called = true })
+    var callback = function () { if (!called) $($el).trigger($.support.transition.end) }
+    setTimeout(callback, duration)
+    return this
+  }
+
+  $(function () {
+    $.support.transition = transitionEnd()
+  })
+
+}(jQuery);