patch applied (cabal-install): Improve the cabal --help output

Tue Jan 13 11:20:58 PST 2009 Duncan Coutts * Improve the cabal --help output Put the general info message at the top and make the explanation of installing a hackage package somewhat clearer. M ./Distribution/Client/Setup.hs -10 +11 View patch online: http://darcs.haskell.org/cabal-install/_darcs/patches/20090113192058-adfee-0...