PDI-10643 - changing the condition for determining there is no mapping information in the repository.  Was using "key" which is always present.  "key_type" is only present when the mapping information is available.
Merge pull request #35 from kurtwalker/PDI-10643

PDI-10643 - changing the condition for determining there is no mapping information in the repository. Was using "key" which is always present. "key_type" is only present when the mapping information is available.