CanCan working rough

no nice redirects, no extensive testing.
Switched to unicorn

use "unicorn" instead of "rails s" and on port 8080 instead of 3000
Resources authorizing correctly

General improvements to make: admin nav to be moved into the partial.
Flashing and redirect successful for recipe edit (test case)
Favorite Recipes working
Rewrote all user stuff for devise

and wiped user models completely.
Ready for merge
Merge branch 'authentication-framework-cancan'