FriendsOfSymfony/FOSUserBundle — pull request #428 by stof (2011-12-04 17:16:36+00:00)
Title: Refactored the doc about groups

It is now in its own file and contains a (hopefully) better message to explain the purpose of groups.

Closes #310

@dustin10 @weaverryan if you have time for a proofreading