Run NetworkConfig if never run previously
Run NetworkConfig if never run previously

Update the condition to test if NetworkConfig should be run to also
include logic to run if it was never run previously. Matches prior
behavior when using a SoftwareDeployment resource

Change-Id: Ibd2c7d96a6ad8d207cbb484b7e211909f897e43f

openstack/tripleo-heat-templates,openstack/tripleo-heat-templates