add MSTransitionEnd event to js plugin

js/bootstrap-transition.js

@@ -39,6 +39,8 @@
           	transitionEnd = "webkitTransitionEnd"
           } else if ( $.browser.mozilla ) {
           	transitionEnd = "transitionend"
+          else if ( $.browser.msie ) {
+            transitionEnd = "MSTransitionEnd"
           } else if ( $.browser.opera ) {
           	transitionEnd = "oTransitionEnd"
           }