Ignore borders in the stored RationalRects of floating windows.
Ignore borders in the stored RationalRects of floating windows.

Also, add 'floatWindow' which computes the actual Rectangle for that window,
including border.

darcs-hash:20071019063922-a5988-dfb16a34165c4582adb8744fade852e6eb6cb9b5

Happy-Ferret/xmonad