Update CHANGES for 1.0.
Update CHANGES for 1.0.

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