patch applied (ghc): Remove the distinction between data and newtype families

[chak at cse.unsw.edu.au]

Fri May 11 04:30:57 PDT 2007  Manuel M T Chakravarty <chak at cse.unsw.edu.au>
  * Remove the distinction between data and newtype families
  - This patch removes "newtype family" declarations.
  - "newtype instance" declarations can now be instances of data families
  - This also fixes bug #1331
  
    ** This patch changes the interface format.  All libraries and all of **
    ** Stage 2 & 3 need to be re-compiled from scratch.                   **

    M ./compiler/hsSyn/HsDecls.lhs -4 +3
    M ./compiler/iface/BinIface.hs -5 +3
    M ./compiler/iface/BuildTyCl.lhs -5 +2
    M ./compiler/iface/IfaceSyn.lhs -5
    M ./compiler/iface/MkIface.lhs -2 +1
    M ./compiler/iface/TcIface.lhs -1
    M ./compiler/parser/Parser.y.pp -6 +4
    M ./compiler/rename/RnSource.lhs -2 +2
    M ./compiler/typecheck/TcDeriv.lhs -1 +4
    M ./compiler/typecheck/TcTyClsDecls.lhs -11 +6
    M ./compiler/types/TyCon.lhs -5 +1