Small improvements in conversion generator

Implement a simpler unversioned.Time serialization

Automatic merge from submit-queue

Update hack/test-cmd.sh to use tagged, gcr.io images

Migrate hack/test-cmd.sh and related test data to use tagged, gcr.io versions of the images for #13288 and #20836

Automatic merge from submit-queue

Allowing type object in kubectl swagger validation

Allowing `"type": "object"` in kubectl swagger validation.

We will cherrypick this in 1.2
This allows 1.2 kubectl to work with 1.3 api server which will use `"type":"object"` instead of `"type":"any"`.
Ref https://github.com/kubernetes/kubernetes/issues/4700#issuecomment-194719759

cc @bgrant0607 

Externalize immortal namespaces

include error in the fail msg

Fix TerminationMessagePath

Add KUBERNETES_RELEASE option to get-kube.sh

keep deprecated flag stage1-image with rkt

set KillMode for kubelet to process, fix for #13511

Create test job against release/latest on GKE

Increase *-slow workflow timeouts to 150 as avg runtime is 50m

Remove retries from most oidc tests.

Add loging to the recently recycled PV section

fix typo (in godoc)

Retry the cloudsdk gsutil copy.

Disable autoscaling Jenkins job.

Mark services test slow.

Fixed typo: kuberntes -> kubernetes

Fix travis go version.

Trusty: Do not create the docker-daemon cgroup

Only keep 7 days' worth of logs for kubernetes-update-jenkins-jobs

Fix upgrade tests

Fix list-resources grep

Increase standard e2e suite timeout to 50m, twice mean runtime

Default firewall port to TCP when unspecified.

use kubectl delete in kube-addon-manager instead of stop

Revert "rolling update will check whether the image is distinct or not, however the image with tag latest should be excluded"

Render the logo name in blue

Automatic merge from submit-queue

Release notes for v1.2.2.

cc @bgrant0607 @zmerlynn @jlowdermilk @cjcullen 

Automatic merge from submit-queue

Clarify release-note label requirement for non-master PRs.

I missed adding this change to the last PR by a few seconds.

And fix (remove some dups) from v1.2.1.