Updated openstack/openstack
Project: openstack/ceilometer  f3927e17f7088569872a42d4701abeed285a7970

Remove Sphinx from py33 requirements

Docutils has install problems on Python 3, let's keep it on Python 2
only.

Closes-Bug: #1403510
Change-Id: Ibd0a731e87e4b4628f095e8a853cb762e3a21f32