Update the ping resource to use the feature from the Orchestrate API. Deprecate the old API.
Only return status code in ping failure cases.
Adds failing ping test to demonstrate failure mode
Reduce exception wrapping for request failures

Also introduces an InvalidApiKeyException
Merge pull request #37 from orchestrate-io/jde-ping-ex-handling

Reduce exception wrapping for request failures
Update failed ping check test case.
Merge pull request #36 from orchestrate-io/cdm-ping-resource

Update the ping resource to use the feature from the Orchestrate API.