Let's add an element to ensure all the python openstack clients are
properly installed on the controllers. These were previously being
pulled in because we installed the actual services. Since we moved to
containers, these clients are no longer installed by default.
Conflicts:
elements/overcloud-controller/install.d/package-installs-overcloud-controller
elements/overcloud-controller/pkg-map
Closes-Bug: #1829769
Change-Id: I551d6ac2d064bff05862b3ffa025240657fafd36
(cherry picked from commit 6a3c2b3e61)
81729a1fd3