patch applied (cabal-install): Moved the local package index reading to a new module, Hackage.Index.

[bjorn at bringert.net]

Tue Oct 16 14:54:39 PDT 2007  bjorn at bringert.net
  * Moved the local package index reading to a new module, Hackage.Index.

    M ./Hackage/Config.hs -36 +2
    M ./Hackage/Dependency.hs -1 +2
    A ./Hackage/Index.hs
    M ./Hackage/List.hs -1 +1
    M ./cabal-install.cabal +1