Make rolling update be blocking.
Merge pull request #985 from brendandburns/kubecfg

Make rolling update be blocking.
Don't shadow important variables.
Merge pull request #998 from lavalamp/fix

Don't shadow important variables.
Add a validation that replicaSelector matches PodTemplate.Labels
Merge pull request #996 from brendandburns/selector

Add a validation that replicaSelector matches PodTemplate.Labels
Need to remove pods that change labels.