Added css class for network activated plugins on the plugins page.
Moved all of the menus under the Plugin Organizer menu item.
Fixed bug where a trailing slash is added to the permalink when it is referencing a file.
Added the admin css file to the plugins admin page.

git-svn-id: https://plugins.svn.wordpress.org/plugin-organizer/trunk@949033 b8457f37-d9ea-0310-8a92-e5e31aec5664