Added NFS to PV structs

Adds a simple release-note builder that scrapes the Github API for recent PRs

Revert "kubelet: Add container runtime option for rkt."

Fix environment variable error in Vagrant docs

kubelet: Add container runtime option for rkt.

Fix environment variable error in Vagrant docs: `KUBERNETES_MASTER_MINION` -> `KUBERNETES_MINION_MEMORY`.

update service.json in persistent-volume example to v1beta3

update mysql-wordpress example to use v1beta3 API

Update examples/meteor to use API v1beta3

Scheduler ignores nodes that are in a bad state

WIP: Add startup code to apiserver to migrate etcd keys

Update cAdvisor dependency.

Fixes #7886 - Used network-environment to get ip, swap wget for curl

Ubuntu-distro: deprecate & merge ubuntu single node work to ubuntu cluster node stuff

DNS: expose 53/TCP

Add volumeGetter to rkt.

Set NodeReady=False when docker is dead

Auto-generated conversion methods calling one another

Merge the old single-node and multi-node ubuntu deployment into one better approach and update the guidance

Ignore latency metrics for events

SecurityContext admission clean up

Add latency metrics for etcd operations

E2E: Parameterize Density failure

Set GOMAXPROCS for etcd

update node-selector example to API v1beta3

Update errors_test.go