patch applied (packages/Cabal): install Haddock documentation in share/package/doc/html and register that path in the ghc-pkg

[Isaac Jones]

Fri Jun  9 12:40:58 PDT 2006  cabal at henning-thielemann.de
  * install Haddock documentation in share/package/doc/html and register that path in the ghc-pkg

    M! ./Distribution/Simple.hs -13 +11
    M! ./Distribution/Simple/Install.hs -7 +26
    M ./Distribution/Simple/LocalBuildInfo.hs -1 +7
    M! ./Distribution/Simple/Register.hs -14 +7