C.Gnome combine with instead of replace Desktop startupHook
C.Gnome combine with instead of replace Desktop startupHook

Ignore-this: 99af07c4d36a575570935a0421a0e241
Now that C.Desktop sets startupHook do both rather than only
gnomeRegister.

darcs-hash:20091020092010-18562-f041db8dc123dda4a4a70c2e5b8535757bea9d82

jthornber/XMonadContrib,jthornber/XMonadContrib