chore(package): update babel-preset-stage-2 to version 6.17.0
chore(package): update babel-preset-stage-2 to version 6.17.0

https://greenkeeper.io/
sebasalvarado/dementia-hacks-api,rcaracaus/pa11y-api,KunalKapadia/express-mongoose-es6-rest-api,kenzanboo/mail,wen911119/my-node-api,ssmlee04/docker-user-module,KunalKapadia/express-mongoose-es6-rest-api,ssmlee04/docker-user-module,maratgaip/MusicApi