add migration for email and password fields #AUTH
has secure password and email presence validation #AUTH
Registrations controller #AUTH
Login/Logout functionality #AUTH
NON AJAX logout option #AUTH
Authorization with Pundit (with failing tests) #AUTHZ
Fix tests after authorization creating login/logout test helper methods #AUTHZ
save loggedin_cat in instance variable to avoid repeated SQL queries
renamed #loggedin_cat to #current_cat for convention
Merge pull request #2 from yukideluxe/authorization

Authorization
merged changes