patch applied (cabal): Don't use the compilerProg and compilerPkgTool, use the ProgramConfiguration

[Duncan Coutts]

Tue Aug 28 17:21:13 PDT 2007  Duncan Coutts <duncan at haskell.org>
  * Don't use the compilerProg and compilerPkgTool, use the ProgramConfiguration
  Except for reporting, we use the ProgramConfiguration directly.
  Less duplication of information this way.

    M ./Distribution/Simple/GHC.hs -8 +9
    M ./Distribution/Simple/Haddock.hs -3 +4
    M ./Distribution/Simple/Hugs.hs -4 +3
    M ./Distribution/Simple/JHC.hs -2 +3
    M ./Distribution/Simple/NHC.hs -2 +2
    M ./Distribution/Simple/PreProcess.hs -3 +4