place transient centered on its parent
place transient centered on its parent

so far, transients are simply unplaced, resulting in a static
0,0 position.

luebking/fluxbox,naimdjon/fluxbox,luebking/fluxbox,naimdjon/fluxbox,naimdjon/fluxbox,naimdjon/fluxbox,Arkq/fluxbox,luebking/fluxbox,luebking/fluxbox,Arkq/fluxbox,Arkq/fluxbox,Arkq/fluxbox,naimdjon/fluxbox,luebking/fluxbox,Arkq/fluxbox