Adds Horizon secure cookie map.
Adds Horizon secure cookie map.

Puppet-horizon already contains a `secure_cookies` parameter, that
sets `CSRF_COOKIE_SECURE` and `SESSION_COOKIE_SECURE` within
`/templates/local_settings.py.erb`.

This change introduces the services map for TripleO Heat Templates

Change-Id: Ie6f6158929c33da8c5f245e2379aebe1afd524ef
Closes-bug: #1640491

openstack/tripleo-heat-templates,dprince/tripleo-heat-templates,openstack/tripleo-heat-templates,dprince/tripleo-heat-templates