For Glance add port 9191 to the iptables list

Recent changes to enable security through iptables now
requires this.  Port 9292 was already being correctly configured.

Reference https://bugs.launchpad.net/tripleo/+bug/1356040

Change-Id: I5f2214cd70b3ccc3d8aabce48927b9f5dda5d75b
Closes-Bug: 1356040
Merge "For Glance add port 9191 to the iptables list"