Fixed firewall protocols

Resource provider for firewall does not accept array as value for
parameter 'proto'. This patch is fixing it.

Fixes: rhbz#1111640

Conflicts:
	packstack/plugins/amqp_002.py
	packstack/plugins/ceilometer_800.py
	packstack/plugins/cinder_250.py
	packstack/plugins/neutron_350.py
	packstack/puppet/modules/packstack/manifests/firewall.pp

Change-Id: Iba55657f35a5c79149b22873e8eb753b71b6ceda
(cherry picked from commit d794f98378afd9cc2231f9c75722f63c0148b8d6)
Merge "Fixed firewall protocols" into havana