Rename Kube* authentication classes to Kubernetes*. Refactor KubernetesJwtSupplier to extend Supplier<String>. Load token file content eagerly. Extend Javadoc. Reformat code. Remove superfluous exception declarations in tests. Remove commented code from local_run_k8s.sh. Copy CA file from pod.
Reinstantiate AuthenticationStepsFactory for KubernetesAuthentication.
Add Kubernetes authentication to the reference documentation.
Original pull request: gh-166.
Related ticket: gh-143.
Closes gh-166.
e5f96dd352