Add Fabrication and Faker gems
Add UsersController test
Add Get new and Post create spec
Add user fabricator
Add video fabricator
Amend session[:user] to session[:username]
Add sessions#new, sessions#create and sessions# destroy specs
Changed users#create params to use Fabricator
Add sessions#new, sessions#create and sessions# destroy specs
Merge pull request #4 from dhartoto/add_authentication_spec

Happy with tests