added configration options and moved font stuff to Decorations.hs
added configration options and moved font stuff to Decorations.hs

Added a new data type to keep configuration options. tabbed now takes the shrinker and the configuration
type.
Fixed a bug related to vertical alignment of text.

darcs-hash:20070625140112-32816-bb7d5ca75803b255d450aed01b3bc91d6c834611

yzhou61/xmonad-contrib,yzhou61/xmonad-contrib,yzhou61/xmonad-contrib