Updated openstack/openstack
Project: openstack/stevedore  a322d615dbd83cf9543589639effd9673a61c42a

Bring doc build up to standard

Move the requirements definitions and documentation files to the
standard places used by other OpenStack projects so our doc publishing
jobs will work.

Change-Id: Iea630d827976fe517afacf4e373b3a125efff9c9