I'm pretty sure I fixed that, but somehow it got erased by the merge
Created courses table and course_knowledge table.
Added models for tables
Added list of courses and field to add new course
Admin is able to remove courses
Added Courses Knowledge Rating link on the TA's profile page. Added view for courses knowledge page. Added javascript to handle selection of stars. Submission is done via AJAX. Currectly there is no feedback for saved changes.
Added Course Knowledge to public profile
Added controller and route for getting list of TAs and their knowledge of a course
Added course search, and javascript to do the AJAX calls and change the table.
Changed clearing the table cells before the actual addition of classes.
Added handling of multiple TAs available at the same time
Fixed merge issue