Changes to hoopl

Changes to hoopl:
commit e57da77f74ef4e5b29801a2e44667a35c153410d
Author: Herbert Valerio Riedel <hvr@gnu.org>
Date:   Sat Mar 22 11:38:41 2014 +0100

    Update hoopl.cabal and convert changelog to MD

    This is in preparation for the hoopl-3.10.0.0 and ghc-7.8.1 release

    Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>