Reimplement acts_as_votable - users can add eachother to favorites.
'Remove from Favorites' link will show if user is added already added to favorites.
Can remove user from favorites.
Add test for favoriting users
Remove faker from development in Gemfile.
Remove local redis server.
Change 'stack' to 'course' in codefellows_courses.yml.
Pass favoriting_users_test.

Bump up ruby version back to 2.1.2
Drop codefellows_courses table and delete fixtures
Merge pull request #82 from tonycchung/favorites

Favorites