ADD: link to social networks page in topbar
ADD: gem quiet assets for development
ADD: non-functional new user form field
ADD: api for user registration binding with front end
ADD: login form
FIX: extract login form as a partial
ADD: api entry point for login
ADD: connect login form with backend entry point
FIX: update to ember 1.0.0.rc6
ADD: authenticated routes in front end
FIX: update meta_request gem
ADD: api authentication with token and front-end send token for requests
ADD: logout link
Merge with users login, closes #7