patch applied (cabal-install): Add --enable/disable-documentation flag.

[Duncan Coutts]

Wed Aug  6 10:58:34 PDT 2008  Duncan Coutts <duncan at haskell.org>
  * Add --enable/disable-documentation flag.
  This addresses most of ticket #206.

    M ./Distribution/Client/Install.hs -3 +7
    M ./Distribution/Client/Setup.hs -3 +15

View patch online:
http://darcs.haskell.org/cabal-install/_darcs/patches/20080806175834-adfee-3e9d211aa622002d6b56d664146f45f0091b6439.gz