Changes to ghc

Changes to ghc:
commit 218dead0d85a136b5d5648e4d6c4c9cc9467eb45
Author: Richard Eisenberg <eir@cis.upenn.edu>
Date:   Fri Feb 7 17:24:07 2014 -0500

    Fix #8706, documenting that type operators are not promoted.
Merge branch 'master' of github.com:nomeata/ghc-complete