created a controller for the sessions
created a new sessions view
error on flash messages
finished failure login to the app
added failing tests
added a new migration
created code for passing the tests of remember token
added more methods to the helper
added a dropdown menu in the application
added sign out functionality
added cucumber to the party
installed cucumber on my rails application enviroment
added cucumber tests
added more utilities for the specs
Merge branch 'sign-in-out'