added specs to test the sign in process
Merge branch 'master' into expenses_list
bill model and controller is 100% covered
Merge branch 'master' of github.com:island-foxes-2013/SplitAmongUs
udpate migrations
added devise invitable gem to the app
set up email invitations for friends functionality
edited user profile page to be able to edit it at the same time
added a button linked to a list of all bills for a user
added a total amount at the bottom of the show all bills page
Merge branch 'master' into column_page
added test for proper sign up