EwmhDesktops: add _NET_ACTIVE_WINDOW support
EwmhDesktops: add _NET_ACTIVE_WINDOW support

darcs-hash:20071222110552-a5988-3554684ba6f88ed841d420465b8832ef8e0dd8bb

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