generated user resource for authentication.
Added all information needed for adding a user.
Genereate sessions controller to be able to have users working properly.
Included a logout option, as well as with the help of Randy was able to get edit and destroy to show only to user logged in.
Any user created, will automatically login.
Basic Authorization enabled and only a signed up user can edit or update a card.
Only users can create new cards, and will work with gem 'ancestry'
Merge pull request #1 from eerrad213/users

Users branch is all done.