[Xmonad] xmonad, now with workspace info in status bars

[Donald Bruce Stewart]

dons:
> So after some nudging from Rob, and Spencer, I added proper state
> logging to xmonad. If you set 'logging = True' xmonad will print its 
> internal state to stdout on each state change.
> 
> Then, using an external client, you can parse this info (the full state
> of the window manager!) and render it however you want. One use is to 
> pretty print the workspace info into dzen, as if we had a built in
> status bar.
> 
> There's a script in XMonadContrib now, scripts/xmonad-status.hs, which
> implements an example StackSet parser/pretty printer for status bars.
> 
> Screenshots of workspace statusbars:

Actually, the current xmonad-status.hs is more like:

    http://www.cse.unsw.edu.au/~dons/tmp/dons-dzen-status.png

(just numeric tags, since I don't use string tags).

-- Don