Quality handling

For the following attributes, data quality is set to BAD when the object goes offscan, set to INITIALIZING when the object goes onscan, and set to GOOD when the object is updated during execution.

• Engine.ExternalReferenceCnt

• Engine.ExternalReferenceCntUnbound

• Engine.IssuedExternalGetsCnt

• Engine.IssuedExternalSetsCnt

• Engine.IssuedInternalGetsCnt

• Engine.IssuedInternalSetsCnt

• Engine.PublishPacketsRcvdCnt

• Engine.PublishPacketsSentCnt

• Engine.RcvdExternalGetsCnt

• Engine.RcvdExternalSetsCnt

• Scheduler.CheckpointPeriodAvg

• Scheduler.ExecInterruptsTimeAvg

• Scheduler.ExecutionTimeAvg

• Scheduler.HousekeepingTimeAvg

• Scheduler.InputMsgSizeAvg

• Scheduler.InputMsgsProcessedAvg

• Scheduler.InputMsgsQueuedAvg

• Scheduler.InputMsgsQueuedMax

• Scheduler.InputQueueSizeAvg

• Scheduler.InputQueueSizeMax

• Scheduler.ScanTime

• Scheduler.TimeIdleAvg

• Scheduler.TimeIdleMax

• Scheduler.TimeIdleMin

• Scheduler.TimeInputAvg

• Scheduler.TimeOutputAvg