Merge lp:~markmc/nova/flat-dhcp-without-bridge-iface into lp:~hudson-openstack/nova/milestone-proposed

[Vish Ishaya]

Do not require --bridge_interface for FlatDHCPManager (lp:844944)

Unlike VlanManager, FlatDHCPManager actually works fine without a bridge
interface on single host deployments.

=== modified file 'bin/nova-manage'
--- bin/nova-manage	2011-09-09 09:24:28 +0000
+++ bin/nova-manage	2011-09-11 16:21:38 +0000
@@ -724,8 +724,7 @@
         bridge_interface = bridge_interface or FLAGS.flat_interface or \
                            FLAGS.vlan_interface
         if not bridge_interface:
-            interface_required = ['nova.network.manager.FlatDHCPManager',
-                                  'nova.network.manager.VlanManager']
+            interface_required = ['nova.network.manager.VlanManager']
             if FLAGS.network_manager in interface_required:
                 raise exception.NetworkNotCreated(req='--bridge_interface')