Reduce delay when sending initial update and final retractions.
Reduce delay when sending initial update and final retractions.

Drooids/babeld,tcatm/babeld,jech/babeld,jech/babeld,wlanslovenija/babeld,woniullb/babeld,boutier/babeld,Gwendocg/babeldToS,Gwendocg/babeldToS,wlanslovenija/babeld,dtaht/babeld-shortrtt-metrics,sudomesh/babeld