#2457 avoid possible NPE
#2457 allow invalid containers which no longer have a container provider associated to still be deleted
#2457 log results of creating pods/replication controllers/services and properly create a fabric8 container for them
make a couple of helper methods a little more reusable
#2457 associate the pods/replicationControllers/services with the container metadata so we can do proper heath check if a kubelet container is properly started or not
#2457 allow kubelets to be started or stopped via the CLI or hawtio for kublet based profiles/containers