Added sessions controller and respective routing
Fixed routing mistake
Added sessions/signup view
Added redirect with failed login attempt
Introduced bug with flash persistence
Adding session token for signin
Adding session helper
Updated annotation on models
Finishing signin methods/views
Added tests + new gem for inspector RailsPanel
Signs in user after saving to db
Completed signout
Adding Cucumber
Added matcher and helper method
Merge branch 'sign-in-out'