BIS-1004: Refactored delete internal entity type constraints; Added business logic to property assignment of internal entity types

BIS-1002: Added support for internal namespaces for sample types, experiment types and dataset types

BIS-1043: For metadata.json generation removed unnecessary all values from JSON output but properties.

SSDM-13578 : 2PT : Database and V3 Implementation - use base64 url encoding (not the default one) for encoding AFS data

BIS-1043: Appending "#UUID" to the names of the folders for export for reimport. Renamed "meta.json" to "metadata.json".