Add TLS proxy resource
Add TLS proxy resource

some services need a terminating proxy to do TLS on their main
interfaces, to address this, we use httpd's mod_proxy and make it listen
in front of these services with an appropriate certificate.

bp tls-via-certmonger

Change-Id: I82243fd3acfe4f23aab373116b78e1daf9d08467

openstack/puppet-tripleo,openstack/puppet-tripleo,openstack/puppet-tripleo