Moved getNext call to tryGetNextUntil timed-out call: Jira ADHI-4728
Moved the getNext function to the use of the dfinterface tryGetNextUntil function, with a timeout defined in the getNextTimeout OKS attribute. Added also to the dcmEmulator a call to getNext function. This change is required for Jira ADHI-4728. To be included in the next release (it requires the changes included in packages HLTPUDal and HLTRC)
