Small cleanups.
2 patches for repository http://darcs.net:
patch a7389d8883e9373d15d48eb17ef8c6754f57a7f0
Author: Guillaume Hoffmann <guillaumh@gmail.com>
Date: Wed Nov 18 20:14:06 ART 2015
* remove -fno-warn-dodgy-imports from modules that were still using it
patch 6ddec56907920b550931ea20b4e6210878890b6d
Author: Guillaume Hoffmann <guillaumh@gmail.com>
Date: Fri Nov 20 12:21:04 ART 2015
* remove a flag needed only for GHC < 7