this
1. allows different config dialogs to do the same thing - eg replace it with
a different ui or idea.
2. allows people to switch off cofngi they dont need or want and even not ship
the ui to configure it
3. is a nice proof of concept that modules cna do more than just be the
things at the bottom of your screen in a "panel".
SVN revision: 30590
Cedric BAIL
Carsten Haitzler