Doc updates.
Doc updates.

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