[xmonad] darcs patch: Config.hs: rm commented out keybinding (... (and 2 more)

Address Adam's complaint that Janis used a version prior to his patch. 3 patches for repository community.haskell.org:/srv/code/xmonad: Thu Jan 12 19:01:15 EST 2012 gwern0@gmail.com * Config.hs: rm commented out keybinding (dead for years) Thu Jan 12 20:04:10 EST 2012 gwern0@gmail.com * Config.hs: implement mod-shift-/ newbie keybinding guide per http://code.google.com/p/xmonad/issues/detail?id=182 Wed May 16 17:13:52 EDT 2012 gwern0@gmail.com * HCAR.tex: update per Janis