Cover Viewer Implemented

Thanks to the Stack Overflow users
[Andy](http://stackoverflow.com/users/546272/andy) and
[cincodenada](http://stackoverflow.com/users/306323/cincodenada) for the
assisting in the javascript/jquery for this.

Thanks to the My Anime List user
[u531355](http://myanimelist.net/profile/u531355) for the #more CSS
auto-updating CSS for the covers.