Add test for video model
Add test for category model and associations
Modify test to use shoulda-matchers
Modify test condition
Add i18n config to remove warning message
Implement search_by_title on video model
Implement search on the UI
Implement recent_videos on category model
Add front page
Add registration page
Add sign in page
Implement authentication
Merge pull request #1 from llumbreras/mod01

Mod01