Magnifier layout hack

This layout hack increases the size of the window that has focus (the master
window excepted). This causes it to overlap with nearby windows, so not for
tiling purists :)

Screenshot: http://caladan.rave.org/magnifier.png

MetaModule.hs

@@ -35,6 +35,7 @@ import XMonadContrib.HintedTile ()
 import XMonadContrib.LayoutHints ()
 import XMonadContrib.MagicFocus ()
 import XMonadContrib.Mosaic ()
+import XMoandContrib.Magnifier ()
 import XMonadContrib.NamedWindows ()
 import XMonadContrib.NoBorders ()
 import XMonadContrib.RotView ()