Support recovery for anonymous roll outs

Bump kube2sky to 1.2. Point it at https endpoint (3rd try).

Adapt pod killing and cleanup for generic container runtime

cluster/gce/coreos: Add metadata-service in node.yaml

This change removes docker-specifc code in killUnwantedPods. It
also instructs the cleanup code to move away from interacting with
containers directly. They should always deal with the pod-level
abstraction if at all possible.

Move ComputePodChanges to the Docker runtime

Cobra rebase

Go SSH e2e tests

Fix YAML parsing for v1beta3 objects in the kubelet for file/http

Adding system oom events from kubelet

This logic is specific to the Docker runtime. This move is the first
step towards making syncPod() runtime-agnostic.

Move Prober to its own subpackage

Revert "Add a simple cache for objects stored in etcd"

Kubelet will continuously watch for system OOMs and generate events whenever it
encounters a system OOM.

Fix parallel-e2e.sh to work on my macbook (bash v3.2)

This will allow it to be reused by the runtimes.

Move network plugin TearDown to DockerManager

Fixes #7498 - CoreOS Getting Started Guide had invalid cloud config

Fix invalid character '"' after object key:value pair

Fixed kubelet deleting data from volumes on stop (#7317).

Fixing hooks/description to catch API fields without description tags

RcManager watches pods and RCs instead of polling every 10s

Add a simple cache for objects stored in etcd

kubelet/container: Add GetContainerLogs to runtime interface.

kubelet: Refactor isPodRunning() in runonce.go

kubelet/container: Update the runtime interface.

Set the default namespace for events to be "default"

cadvisor is obsoleted so kubelet service does not require it.

Convert Secret registry to use update/create strategy, allow filtering by Type