Update CHANGES for 1.1.1.
Update CHANGES for 1.1.1.

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