patch applied (cabal): implement --configure-option and --ghc-option (#139)

[Ross Paterson]

Mon Jun  4 04:48:51 PDT 2007  Ross Paterson <ross at soi.city.ac.uk>
  * implement --configure-option and --ghc-option (#139)
  
  Added options used for building in the GHC tree:
  
  	setup configure --configure-option=STR
  	setup build --ghc-option=STR
  	setup makefile --ghc-option=STR
  
  These were formerly scattered across Setup.hs files.

    M ./Distribution/Make.hs -1 +2
    M ./Distribution/PackageDescription.hs +11
    M ./Distribution/Setup.hs -10 +33
    M ./Distribution/Simple.hs -1 +1
    M ./Distribution/Simple/Build.hs -3 +8
    M ./Setup.lhs -53 +1
    M ./doc/Cabal.xml -5 +51