Comment 8 for bug 1488144

preserve_ephemeral_rebuild.py is already documented.

  Update server start and stop with 204 return code
  Also, added missing server actions.
  Change-Id: I5723943a07772186116c306ba65fc9a6008e73db
  Closes-Bug: #1197415
  https://github.com/openstack/api-site/commit/b14680f9030810d809b4a9250ec260309b6fa59a