Changes to ghc

Changes to ghc:
commit 652c9e69914b12aa1bbc7d5f01c42503a78a2ecd
Author: Mateusz Kowalczyk <fuuzetsu@fuuzetsu.co.uk>
Date:   Wed Jun 18 09:05:50 2014 +0200

    Haddock: haddock-library release and Travis stuff

    Updates submodule.