Updated gitignore
removed workspace configuration from tracking
Added print_report for brewery.
Added restart for brewery
Added user
Added sessions controller and new_session page
Added forgotten user related files.
Added user related db changes and routes for user and sessions
Added last rating to session
Added one more user related forgotten file
Added latest rating to be shown in all pages.
Added new session page
Username of user saved in session is displayed in Navibar
Added alias for signin and signout
Added current_user helper
Use helper in views
Added routes for signout
Added ability to sign in, sign out and sign up
Moved the notice out of default view
Use signout_path. Username now links to userpage. Rate beer link is shown is user is logged in. User can now logout