Refactor XMonad.Hooks.DynamicLog
Refactor XMonad.Hooks.DynamicLog

This allows using DynamicLog not only for statusbar.

darcs-hash:20080210222406-3ebed-1943dc0ec95f1a630f89271b03b0a02c8918d5fd

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