ror: completed Detail and Category View Templates
templates: create partial views
* added _header/_footer
* updated albums index view to use Category layout
* updated albums show view to use Detail layout
Auth: adding some auth using Authlogic and started some user restrictions to prevent users viewing unwanted action links
Revised the system into using rails_apps with Twitter, Devise and CanCan
Albums: added seeding and restrictions
* added sessions controller for login via JSON
* some ability restrictions for sellers
* added album association for sellers in admin panel