Updated migrate_vms to migrate two VMs at a time
Updated migrate_vms to migrate two VMs at a time

fr34k8/openstack-neat,beloglazov/openstack-neat,fr34k8/openstack-neat,raphapr/openstack-neat,raphapr/openstack-neat,beloglazov/openstack-neat,stackforge/terracotta,stackforge/terracotta