Feature course custom list

I think I created this pull request correctly. This adds the My Course sorting feature. Also includes "Academic Year Courses" that can be turned on or off in system settings. 
![screen shot 2014-04-28 at 11 50 46 am](https://cloud.githubusercontent.com/assets/3229695/2821421/0b93bab4-cf06-11e3-8384-4d161eac55f1.png)