Add pod antiaffinity to kubedns template

Container labels

Add more log info when deleting k8s nodes

Add more descriptive configuration options in cluster.yml

Make sure to clean up interrupted updates.

update kube-api service cluster ip range

Fix health check when RBAC is disabled

Fix debug message on count of container log lines

Add api server count flag to kube-apiserver

Typo: cerficiates -> certificates

Windows binaries

Add etcd env vars for etcdctl

Update types vendors

Update canal and calico to 3.1.1

Update rke tools