TDD testing for Video model search function
sorted results of Video title search
final video model test
fixing header search
added category tests
removed search controller in favor of video controller search action
added dynamic categories to homepage
fixed formatting on search button
added login and register pages
fixed controller names
added login and signup pages
finished signin and register
fixed login message
added email uniqueness validation for users
added user authentication
added validations false to user model
new authentication
removed empty methods
fixed video sorting
Merge pull request #2 from pmichaeljones/week1_part2

Merging all week1_part2 commits.