patch applied (packages/monadLib): Moves code around.

[diatchki at cse.ogi.edu]

Fri Dec 28 17:17:56 PST 2007  diatchki at galois.com
  * Moves code around.
  
  Split deriving code into a separate module: MonadLib.Deriving.
  This makes it possible to use monadLib with implementations that do
  not support rank-2 types.
  
  Move 'Monads' to 'MonadLib.Monads' to avoid taking a top-level name.
  

     ./src/Monads.hs -> ./src/MonadLib/Monads.hs
    M ./monadLib.cabal -2 +2
    A ./src/MonadLib/
    M ./src/MonadLib.hs -85 +1
    A ./src/MonadLib/Derive.hs
    M ./src/MonadLib/Monads.hs -1 +2