healthDataRecord.recordId --> guid; delete IdVersionHolder
Merge branch 'develop' of https://github.com/Sage-Bionetworks/BridgePF into key-consistency
Tracker.id (Long) --> Tracker.identifier (String, user supplied)
healthDataCode --> healthCode; Tracker.id --> Tracker.identifier; Survey.versionedOn --> Survey.createdOn
Merge pull request #306 from alxdarksage/key-consistency

Key consistency