BZ #1063514 - cinder_gluster_servers default value in...

https://bugzilla.redhat.com/show_bug.cgi?id=1063514

In either controller host group, the params UI should display the
value for cinder_gluster_servers as an array of IPs, not
${$quickstack::params:cinder_gluster_servers}.
Merge pull request #124 from cwolferh/cinder_gluster_servers_fix_param_in_ui

BZ #1063514 -  cinder_gluster_servers default value in controller host groups is confusing