Documentation for suggested combinations of OpenStack components

Gerrit User 22348 c819f45db1 Update patch set 1 ... Patch Set 1: Verified+2 Build succeeded (gate pipeline). - openstack-tox-docs http://logs.openstack.org/20/622920/1/gate/openstack-tox-docs/0ebcbc8/html/ : SUCCESS in 5m 07s - openstack-tox-pep8 http://logs.openstack.org/20/622920/1/gate/openstack-tox-pep8/da088cf/ : SUCCESS in 4m 37s Patch-set: 1 Reviewer: Gerrit User 22348 <22348@4a232e18-c5a9-48ee-94c0-e04e7cca6543>		2018-12-05 11:52:43 +00:00