Added json output
Merge pull request #1469 from psav/prov_usage

Added json output
Adding metadata to PRT
Merge pull request #1470 from psav/dkb_meta

Adding metadata to PRT
Cleanup enhancement
Merge pull request #1471 from psav/dkb_meta

Cleanup enhancement
DKB clear up
Merge pull request #1472 from psav/dkb_meta

DKB clear up