learningequality/ka-lite — pull request #2597 by rtibbles (2014-11-04 17:39:07+00:00)
Title: Fixes for navigation

Summary of changes:
* Adds trailing slash to untrailed paths.
* Makes back button work compatibly with other navigation
* Hides sidebar if content node is reclicked while active.
* Adds polyfill for add and remove event listener DOM element methods.