update CHANGELOG for 1.0.0
update CHANGELOG for 1.0.0

SpencerCDixon/draper,donaldpiret/draper,estum/draper,totzyuta/draper,turingschool/draper,drapergem/draper,liwangbest/draper,estum/draper,mallikarjunayaddala/draper,outstand/draper,totzyuta/draper,Bastes/draper,krainboltgreene/draper,chuck-john/draper,yui-knk/draper,drapergem/draper,liwangbest/draper,chuck-john/draper,baberthal/draper,baberthal/draper,jianyuan/draper,Bastes/draper,jianyuan/draper,SpencerCDixon/draper,drapergem/draper,mallikarjunayaddala/draper,sideci-sample/sideci-sample-draper,outstand/draper,yui-knk/draper,turingschool/draper