Show in small the number of students in a course on user#show
Make a nicer courses#show view
Add a dash between username and delete link on users#index
Delete the controller spec for courses
Move session checking methods into the sessions_helper
Add a description property to courses
Update course factories with a description property
Add tests for the description property
Validate for the presence of course descriptions
Test for making sure users are logged in before making a course
Make forms input fields take up 100% of space horizontally.
Add tests for Course#new
Make a view for creating new courses
Add new and create actions to the CoursesController
Check for login before making a course