Added models
Added .rvmrc using 2.1.2@hitfox
Replaced sqlite3 with pg
Added WelcomeController and set the root path
Added unit test stubs
Added model migrations
Added AuthControllerTest
Added AuthController and corresponding routes
Enabled bcrypt and byebug
Added user model validations and related tests
Added user reference to category
Added carrierwave, carrierwave-postgresql and mounted uploaded
Updated application