It seems like Devise is working good.
Changing assocations to support 3-way of course, textbook, and professor
Fixed up ternary relation. Added some associations to data dump.
Forgot to remove id from textbook_associations
Forgot to change Ratings to use new ternary
Fixed some leftover bugs from converting to Devise
Ability to create reviews for Textbooks independent from courses and professors
Made rate textbook selection on textbook pages better.
Changed the way you create ratings. Combined ebooks with printed
Converted remaining references to 'user' to 'student'
Added app version to application.rb, helper method, and display on navbar