Fixed firewall protocols

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

Change-Id: Iba55657f35a5c79149b22873e8eb753b71b6ceda
Fixes: rhbz#1100993

packstack/plugins/glance_200.py

@@ -95,6 +95,7 @@ def create_manifest(config, messages):
     config['FIREWALL_SERVICE_NAME'] = "glance"
     config['FIREWALL_PORTS'] = "'9292'"
     config['FIREWALL_CHAIN'] = "INPUT"
+    config['FIREWALL_PROTOCOL'] = 'tcp'
     if config['CONFIG_NOVA_INSTALL'] == 'y':
         for host in split_hosts(config['CONFIG_COMPUTE_HOSTS']):
             config['FIREWALL_ALLOWED'] = "'%s'" % host