patch applied (cabal-install): Print the location of the config file in the global --help

[Duncan Coutts]

Tue Jan 13 11:22:15 PST 2009  Duncan Coutts <duncan at haskell.org>
  * Print the location of the config file in the global --help
  Ticket #413

    M ./Distribution/Client/Config.hs +1
    M ./Main.hs -2 +7

View patch online:
http://darcs.haskell.org/cabal-install/_darcs/patches/20090113192215-adfee-2224836cb5d86a6ff16ec95bc4ea59c5aa662800.gz