HCAR.tex: update from May
HCAR.tex: update from May

Ignore-this: 5f08180e92a2bd8e4cec66c89265ca85
- there were no significant changes to xmonad-core
- description of 2 new modules not mentioned in HCAR

darcs-hash:20101012010915-f7719-a04da69a7719cc07586738b52f82b44d86f6e722

Happy-Ferret/xmonad