Changes to ghc

Changes to ghc:
commit 1514a7e3ff2e24af6ecf4c9e6019cf28a7eee11c
Author: Austin Seipp <austin@well-typed.com>
Date:   Mon Apr 28 04:33:07 2014 -0500

    Start 7.8.3 release notes

    There are already quite a few bugfixes, I'll fill them out shortly.

    Signed-off-by: Austin Seipp <austin@well-typed.com>