Create simple test for Video model
Add tests for Category model and associations between Category and Video models
Add tests for Video validations
Use shoulda-matchers for previous tests
Implement search feature, update nav
Add User model, controller, and views. Add authentication from scratch.
Add simple User tests
Finish authentication
UI updates
UI changes
Major UI change
Finish week 1, minor UI changes
Merge pull request #1 from cullenjett/mod-1

End of week 1