Change name element to refer to parent uuid for system structure and device structure

Change name element to refer to parentsystemstructure and parentdevicestructure (uuid)
instead of system group, system, subsystem, device type (uuid).
For system structure, change 3 fields to 1 field (system group, system, subsystem to parent system structure).
For device structure, change 1 field  to 1 field (device type to parent device structure).