Make self-navigable sidebar, some problems with problem-set/lecture/file icon highlighting/class toggles - let me know if you have ideas on this problem
Get rid of some testing scraps
Clean up click targeting.
Implement fully functional sidebar minus the progress/status switches
Merge pull request #54 from grahamcracker/sidebarv2

Sidebarv2
temporarily fix permissions error for lectures
rescue cancan permissions error
Overlay invisible anchor to make entire coursecard clickable
Fix colors when the page is too short to fill the screen
Merge pull request #56 from grahamcracker/footer

Fix colors when the page is too short to fill the screen
Merge pull request #55 from grahamcracker/course-grid

Overlay invisible anchor to make entire coursecard clickable
Schema
Merge branch 'master' into tests