Fix my library display issues on IE9
Merge pull request #59 from timdegroote/ie9-fix

Fix my library display issues on IE9
Pass in baseURL in content and discussion left hand navigation
Follow up on Bootstrap 3 review
Use CSS to hide the lhnav collapse button
Optimize re-rendering content and discussion previews when updates happen
Improve selector for clearing preview container
(Issue 3388) Always collapse the compressed lhnav when a menu item is selected
(Issue 3388) Fix outdated comment