rename transitions to transition and fix scrollspy example

docs/javascript.html

@@ -39,7 +39,7 @@
 
     <script src="assets/js/google-code-prettify/prettify.js"></script>
     <script>$(function () { prettyPrint() })</script>
-    <script src="../js/bootstrap-transitions.js"></script>
+    <script src="../js/bootstrap-transition.js"></script>
     <script src="../js/bootstrap-alert.js"></script>
     <script src="../js/bootstrap-modal.js"></script>
     <script src="../js/bootstrap-dropdown.js"></script>