[dwm] xinerama, things get more and more useful

There are kind a lot of caveats in current hg tip, but I
encourage early adaptors to give it a try and to update from
time to time, and to report bugs.

The worst caveat atm is that the focus handling among different
views (screens) might need mouse assistance in some cases, so
I'm aware of this already.

http://www.suckless.org/shots/dwm-xinerama-new.png

Kind regards,

-- 
 Anselm R. Garbe >< http://www.suckless.org/ >< GPG key: 0D73F361