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Update CHANGES.

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