v0.10.0-beta.3

Fix panic in kubeconfig sub-command when no spec.api.port set (#182)

* Test kubeconfig validity in smoke-tests

* What -a

* Cache fix

* See if changing to kubernetes-admin changes anything

* Change it back.

* Echo out the user

* Echo out the whole config

* Dont censor

* Add type check

* Increase basic smoke test verbosity

* More consistent type check for externalAddress