add probot-stale [skip ci] (#353)
add probot-stale [skip ci] (#353)


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