adding Curry language

adding parse support for Curry language

Conflicts:
	src/Language/Haskell/Exts/Annotated/Simplify.hs
	src/Language/Haskell/Exts/Annotated/Syntax.hs
	src/Language/Haskell/Exts/Extension.hs
	src/Language/Haskell/Exts/InternalLexer.hs
	src/Language/Haskell/Exts/InternalParser.ly
	src/Language/Haskell/Exts/ParseSyntax.hs
	src/Language/Haskell/Exts/Syntax.hs