add 6.0.0 changelog placeholder
add 6.0.0 changelog placeholder

existentialism/babel,babel/babel,chicoxyzzy/babel,samwgoldman/babel,iamchenxin/babel,ccschneidr/babel,kellyselden/babel,zjmiller/babel,bcoe/babel,kaicataldo/babel,douglasduteil/babel,krasimir/babel,ccschneidr/babel,guybedford/babel,kedromelon/babel,rmacklin/babel,mgcrea/babel,jeffmo/babel,claudiopro/babel,babel/babel,hzoo/babel,CrocoDillon/babel,garyjN7/babel,jridgewell/babel,kassens/babel,tikotzky/babel,lxe/babel,fabiomcosta/babel,mrtrizer/babel,vadzim/babel,guybedford/babel,jridgewell/babel,douglasduteil/babel,chicoxyzzy/babel,jchip/babel,PolymerLabs/babel,KunGha/babel,bcoe/babel,vhf/babel,jeffmo/babel,AgentME/babel,Industrial/babel,krasimir/babel,STRML/babel,claudiopro/babel,Mark-Simulacrum/babel,existentialism/babel,kpdecker/babel,kaicataldo/babel,zjmiller/babel,zenparsing/babel,kassens/babel,jridgewell/babel,drieks/babel,kellyselden/babel,hulkish/babel,Skillupco/babel,maurobringolf/babel,hulkish/babel,shuhei/babel,drieks/babel,kpdecker/babel,KunGha/babel,chicoxyzzy/babel,vhf/babel,Industrial/babel,hzoo/babel,kaicataldo/babel,DmitrySoshnikov/babel,Skillupco/babel,Skillupco/babel,mgcrea/babel,hzoo/babel,dekelcohen/babel,iamchenxin/babel,existentialism/babel,Mark-Simulacrum/babel,drieks/babel,zertosh/babel,benjamn/babel,iamstarkov/babel,babel/babel,antn/babel,douglasduteil/babel,claudiopro/babel,hulkish/babel,zenparsing/babel,vadzim/babel,rmacklin/babel,dekelcohen/babel,mrtrizer/babel,kaicataldo/babel,hzoo/babel,maurobringolf/babel,jeffmo/babel,kellyselden/babel,zertosh/babel,benjamn/babel,ameyms/babel,hulkish/babel,DmitrySoshnikov/babel,PolymerLabs/babel,garyjN7/babel,STRML/babel,jchip/babel,shuhei/babel,maurobringolf/babel,guybedford/babel,CrocoDillon/babel,lxe/babel,samwgoldman/babel,tikotzky/babel,PolymerLabs/babel,iamstarkov/babel,samwgoldman/babel,jhen0409/babel,kedromelon/babel,kellyselden/babel,shuhei/babel,chicoxyzzy/babel,jridgewell/babel,fabiomcosta/babel,babel/babel,dustyjewett/babel-plugin-transform-es2015-modules-commonjs-ember,iamchenxin/babel,jhen0409/babel,mgcrea/babel,kedromelon/babel,Mark-Simulacrum/babel,Skillupco/babel,antn/babel,AgentME/babel,ameyms/babel