Plumgrid icehouse support based with openstack-foreman-installer-2.0.22

Signed-off-by: salmank <salmank@plumgrid.com>
Commas fix.

Signed-off-by: salmank <salmank@plumgrid.com>
Rather using plugin string, simple enable_plumgrid parameter used. PG director server port is set by default.

Signed-off-by: salmank <salmank@plumgrid.com>
qucickstack now handle itself whether qemu or kvm

Signed-off-by: salmank <salmank@plumgrid.com>
Ensure service_plugins absent.

Signed-off-by: salmank <salmank@plumgrid.com>
Add iptables PG rules.

Signed-off-by: salmank <salmank@plumgrid.com>
Source check on iptables PG rule

Signed-off-by: salmank <salmank@plumgrid.com>
Merge pull request #2 from plumgrid/salmankh-automaton-dev

Add iptables PG rules.
PG iptables rules for compute.

Signed-off-by: salmank <salmank@plumgrid.com>
Merge pull request #3 from plumgrid/salmankh-automaton-dev

PG iptables rules for compute.
Merge pull request #4 from plumgrid/salmankh-automaton-dev

Rebased automaton to openstack-foreman-installer-2.0.26