Updated openstack/openstack
Project: openstack/horizon  9efb28194f80c4cf952d79fb712f39a0b7433772

[Sahara] Added ability to specify security groups for node group

Known issues:
1. Security groups added to the same page as general parameters. Page
   is a little overloaded now. Will improve this later.

Change-Id: Ieb224ea4db2adc46073b86e7181981ea598c9a8f
Blueprint: cluster-secgroups
Closes-Bug: #1364659