Added a generic "button" class to the admin styles to allow applying the standard admin button styles to arbitrary elements in the future. Should have no effect on existing code.
Added a generic "button" class to the admin styles to allow applying the standard admin button styles to arbitrary elements in the future. Should have no effect on existing code.

git-svn-id: 4f9f921b081c523744c7bf24d959a0db39629563@9077 bcc190cf-cafb-0310-a4f2-bffc1f526a37

FlaPer87/django-nonrel,aparo/django-nonrel,FlaPer87/django-nonrel,aparo/django-nonrel,aparo/django-nonrel,FlaPer87/django-nonrel