patch applied (ghc): Massive patch for the first months work adding System FC to GHC #16

[chak at cse.unsw.edu.au]

Fri Aug  4 14:19:12 PDT 2006  Manuel M T Chakravarty <chak at cse.unsw.edu.au>
  * Massive patch for the first months work adding System FC to GHC #16
  
  Broken up massive patch -=chak
  Original log message:  
  This is (sadly) all done in one patch to avoid Darcs bugs.
  It's not complete work... more FC stuff to come.  A compiler
  using just this patch will fail dismally.

    M ./compiler/iface/BuildTyCl.lhs -49 +64
    M ./compiler/iface/TcIface.lhs -72 +70