API server should offer metav1 Table/Partial transforms
API server should offer metav1 Table/Partial transforms

Now that internal types are equivalent, allow the apiserver to serve
metav1 and metav1beta1 depending on the client. Test that in the
apiserver integration test and ensure we get the appropriate responses.

Register the metav1 type in the appropriate external locations.

Kubernetes-commit: 33a3e325f754d179b25558dee116fca1c67d353a

kubernetes/apiextensions-apiserver,kubernetes/apiextensions-apiserver