* Deprecate KubernetesAutoServiceRegistration
* Document service registry in kubernetes. Fixes#348
* Refactoring config module to extract common code
Renamed config module to be specific to fabric8
* Kubernetes client config module
* Fixing test to avoid 503 error
* Accounting for missing invocation
* Adding code to deal with potential 503 error
* Fixing class used in polling change listener
* Formatting changes