This class represents the permissions that a Role has to access
certain pages/functions within the system. The class implements
Comparable so that when Permissions are added to a Set, they will
be in alphabetical order by name.
author: Frank Y. Kim author: John D. McNally author: Brett McLaughlin version: $Id: TurbinePermission.java 278822 2005-09-05 19:53:05Z henning $