WindowArranger: add a SetGeometry message - needed to enable mouseDrag
WindowArranger: add a SetGeometry message - needed to enable mouseDrag

darcs-hash:20080208083413-32816-fe9fcd4589cbd3c7caaff53cb331a54a077e6f6f

yzhou61/xmonad-contrib,yzhou61/xmonad-contrib,yzhou61/xmonad-contrib