chore(package): update babel-preset-es2015 to version 6.14.0
chore(package): update babel-preset-es2015 to version 6.14.0

https://greenkeeper.io/
andrewlinfoot/keystone,danielmahon/keystone,trentmillar/keystone,brianjd/keystone,w01fgang/keystone,benkroeger/keystone,andrewlinfoot/keystone,linhanyang/keystone,naustudio/keystone,sendyhalim/keystone,dryna/keystone-twoje-urodziny,rafmsou/keystone,danielmahon/keystone,danielmahon/keystone,w01fgang/keystone,matthewstyers/keystone,Adam14Four/keystone,trentmillar/keystone,Pop-Code/keystone,Adam14Four/keystone,ratecity/keystone,dryna/keystone-twoje-urodziny,brianjd/keystone,alobodig/keystone,frontyard/keystone,vokal/keystone,Pop-Code/keystone,trentmillar/keystone,frontyard/keystone,concoursbyappointment/keystoneRedux,benkroeger/keystone,snowkeeper/keystone,Yaska/keystone,matthewstyers/keystone,andrewlinfoot/keystone,snowkeeper/keystone,ONode/keystone,rafmsou/keystone,sendyhalim/keystone,Yaska/keystone,naustudio/keystone,cermati/keystone,alobodig/keystone,matthewstyers/keystone,cermati/keystone,jstockwin/keystone,benkroeger/keystone,ratecity/keystone,frontyard/keystone,ONode/keystone,naustudio/keystone,concoursbyappointment/keystoneRedux,jstockwin/keystone,vokal/keystone,Yaska/keystone,vokal/keystone