Update CHANGES for 0.92.
Update CHANGES for 0.92.

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