update changelog [skip ci]
update changelog [skip ci]

jridgewell/babel,claudiopro/babel,claudiopro/babel,jridgewell/babel,hzoo/babel,maurobringolf/babel,samwgoldman/babel,samwgoldman/babel,PolymerLabs/babel,jridgewell/babel,claudiopro/babel,hzoo/babel,Skillupco/babel,hulkish/babel,shuhei/babel,guybedford/babel,kaicataldo/babel,shuhei/babel,hulkish/babel,kellyselden/babel,chicoxyzzy/babel,kellyselden/babel,existentialism/babel,samwgoldman/babel,chicoxyzzy/babel,kaicataldo/babel,existentialism/babel,PolymerLabs/babel,vadzim/babel,hulkish/babel,kellyselden/babel,shuhei/babel,Skillupco/babel,existentialism/babel,kaicataldo/babel,babel/babel,hulkish/babel,vadzim/babel,guybedford/babel,Skillupco/babel,babel/babel,hzoo/babel,hzoo/babel,chicoxyzzy/babel,babel/babel,babel/babel,guybedford/babel,kellyselden/babel,maurobringolf/babel,kaicataldo/babel,jridgewell/babel,Skillupco/babel,PolymerLabs/babel,chicoxyzzy/babel,maurobringolf/babel