[Xmonad] darcs patch: put transients completely on the screen when possible.

I understand, sjanssen, that you don't want this patch, but I thought I might as well send it in in case anyone else would like somewhat more selective placement of transient windows. David Tue Sep 25 20:38:37 EDT 2007 David Roundy <droundy@darcs.net> * put transients completely on the screen when possible.