For more information, see:
http://lists.openstack.org/pipermail/openstack-dev/2016-May/093765.html
This is the initial port from api-site. The includes in
source/v1/index.rst are alphabetized, but we may want to revisit that
and reorder them according to importance.
Change-Id: I6f578107e17d3a97e667f645a05493da12ae2048
Implements: blueprint api-doc-migration