Have the toplevel Makefile clean the docs dir.
New __get/setitem__ with one roundtrip.
Python 3 compatibility. Import functools.reduce.
Remove unused function.
Use new context.apply function in __get/setitem__.
Use Make's -C argument instead.
Merge pull request #365 from enthought/feature/make-clean-cleans-docs

Have the toplevel Makefile clean the docs dir.
Remove obsolete comment.
Merge pull request #355 from cowlicks/roundtrips

Fewer __get/setitem__ roundtrips.
Fixes regression with invalid MPI comm.
Fix axis argument to distribution.reduce()
Merge branch 'master' into feature/subset-ranks

Conflicts:
	distarray/dist/distarray.py