This adds stability to etcd and enables cleaner waiting by tiller during
deployment of the Kubernetes apiserver and etcd.
* Adds second auxiliary etcd process.
* Enables "sequenced" for remaining ChartGroups.
* Removes unused disks from test VMs.
* Add readiness and liveness probes for kubernetes components
Change-Id: I6f83bb912f76b0ec35503723b417ba45d69e39c5