All previously existing windowAdded methods are renamed to slotWindowAdded.
EffectsHandlerImpl is connected to Workspace's clientAdded signal, which is
emitted a little bit earlier than the previous direct method call. This might
change behavior.
Another signal is added to Workspace to signal that an unmanaged is added.
a number identifying north/south/west/east and a screen coord) will
appear with a slide animation.
used for popups that come out of panels
svn path=/trunk/KDE/kdebase/workspace/; revision=1001604