chore(package): update babel-core to version 6.18.2
chore(package): update babel-core to version 6.18.2

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alobodig/keystone,andrewlinfoot/keystone,alobodig/keystone,brianjd/keystone,cermati/keystone,brianjd/keystone,ONode/keystone,danielmahon/keystone,w01fgang/keystone,snowkeeper/keystone,w01fgang/keystone,linhanyang/keystone,naustudio/keystone,trentmillar/keystone,ONode/keystone,dryna/keystone-twoje-urodziny,ratecity/keystone,Pop-Code/keystone,benkroeger/keystone,andrewlinfoot/keystone,matthewstyers/keystone,vokal/keystone,concoursbyappointment/keystoneRedux,naustudio/keystone,vokal/keystone,dryna/keystone-twoje-urodziny,concoursbyappointment/keystoneRedux,rafmsou/keystone,danielmahon/keystone,andrewlinfoot/keystone,vokal/keystone,matthewstyers/keystone,danielmahon/keystone,sendyhalim/keystone,cermati/keystone,Pop-Code/keystone,trentmillar/keystone,trentmillar/keystone,ratecity/keystone,matthewstyers/keystone,naustudio/keystone,rafmsou/keystone,frontyard/keystone,sendyhalim/keystone,frontyard/keystone,snowkeeper/keystone,benkroeger/keystone,frontyard/keystone,benkroeger/keystone