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 author: Henning P. Schmiedehausen version: $Id: Permission.java 534527 2007-05-02 16:10:59Z tv $