Clarify use of system_id in FEEDER_AUDIT and AUDIT_DETAILS
The use of the system_id field in these two cases is not clearly explained; it is not clear why it is different.
Changes made as follows:
See also CR-000163. The Feeder_audit part of the ARCHETYPED package in the
common model has been redeveloped completely. See Common IM PDF online.
The changes include:
- a redesign of the class FEEDER_AUDIT
- a new class FEEDER_AUDIT_DETAILs