Description of problem: The kubernetes provider supports metrics from prometheus, currently the `supports_metrics?` of the kuebernetes provider fails to recognize this endpoint. How reproducible: 100% Steps to Reproduce: 1. Create a kubernetes provider with a prometheus endpoint 2. Check the return value of `supports_metrics?` Actual results: False Expected results: True
submitted upstream: https://github.com/ManageIQ/manageiq-providers-kubernetes/pull/59
merged upstream: https://github.com/ManageIQ/manageiq-providers-kubernetes/pull/59