Users controller and basic model
Merge branch 'master' of https://github.com/eubenesa/romanchukenator into user-auth
User creation, sign in, token, etc.
Merge branch 'master' of https://github.com/eubenesa/romanchukenator into user-auth

Conflicts:
	config/routes.rb
Merge pull request #2 from eubenesa/user-auth

User auth