WIP
Installed devise
Generated devise with omniauth for users
Implemented Oauth Stategies for facebook and google
Refactory
Added validation to the User class
Oauth controller implemented!
Removed focus
Implemented github strategy
Added development credentials for github login
Added links for loggin in to the home page
Implemented github login
Refactored oauth specs
Refactored model oauth specs
Feature specs for login/logout
Added CI, coverage and badges