added production note about EFK stack to the readme

Update generated protobuf files

Expand reviewers/approvers and add labels for conformance image

Fix golint failures in staging/src/k8s.io/apiserver/pkg/storage/errors, staging/src/k8s.io/apiserver/pkg/storage/etcd

Fix golint failures in test/e2e/instrumentation, test/e2e_node/environment

Change-Id: Ie01ce38d25d05e90d79ddc6e80584a21cf7ff299

apiextensions: add nullable support to OpenAPI v3 validations

Add 1.14 branches for the publishing-bot

Change-Id: Id34d1f12361e587e02f7dba077a9600618737878

kube-apiserver: don't create endpoints before being ready

kubeadm-reset: fetch init config only if client is non-nil

kubeadm: use DefValue for the --kubeconfig flag

kubeadm: reduce some functions number of parameters

make some functions in azure cloud provider as public

src/k8s.io/apiserver: Increase cert expiration histogram resolution

Improve join phases labels and help messages

Apparently conformance tests have to run serially

Remove discovery flags from kubeadm join phases (when possible)

Change-Id: I6e13d262a8bf97ada89227a853debe58876c212a

There are 10+ conformance tests marked [Serial], So we can't run things
in parallel by default.

Change-Id: I58afbb356899fb38caf4f9f6704bfb47f745b338

VolumeSubpathEnvExpansion alpha tests - change kubectl references to API calls

Use runtime.NumCPU() instead of a fixed value for parallel scheduler threads

harden the default RBAC discovery clusterrolebindings

GCE/Windows: exclude gateways from the IPAM subnet

Showcase conformance images options in the manifest

move local PV to GA

Rebase etcd-version-monitor base image to distroless.

Revert kubelet to default to ttl cache secret/configmap behavior

Trivial fix typo

delete some unused const in test/e2e_node

 convert latency/latencies in metrics name to duration

Exclude IPs assigned for gateways in the IPAM configuration.