patch applied (cabal-install): Use user installs by default

[Duncan Coutts]

Fri May  4 03:46:52 PDT 2007  Duncan Coutts <duncan.coutts at worc.ox.ac.uk>
  * Use user installs by default
  So it "Just Works"tm without needing extra options or sudo fiddling.
  If you care you can still do sudo fiddling and --global-install

    M ./src/Network/Hackage/CabalInstall/Setup.hs -1 +1