chore(package): update babel-core to version 6.7.6
chore(package): update babel-core to version 6.7.6

http://greenkeeper.io/
Yaska/keystone,ratecity/keystone,pr1ntr/keystone,matthieugayon/keystone,dryna/keystone-twoje-urodziny,linhanyang/keystone,qwales1/keystone,ratecity/keystone,danielmahon/keystone,everisARQ/keystone,danielmahon/keystone,danielmahon/keystone,Adam14Four/keystone,naustudio/keystone,pr1ntr/keystone,suryagh/keystone,trentmillar/keystone,trentmillar/keystone,sendyhalim/keystone,cermati/keystone,benkroeger/keystone,jstockwin/keystone,concoursbyappointment/keystoneRedux,joerter/keystone,pswoodworth/keystone,cermati/keystone,dvdcastro/keystone,michaelerobertsjr/keystone,benkroeger/keystone,xyzteam2016/keystone,webteckie/keystone,ONode/keystone,tony2cssc/keystone,vokal/keystone,snowkeeper/keystone,naustudio/keystone,dryna/keystone-twoje-urodziny,frontyard/keystone,frontyard/keystone,webteckie/keystone,joerter/keystone,w01fgang/keystone,trentmillar/keystone,Adam14Four/keystone,vokal/keystone,andrewlinfoot/keystone,suryagh/keystone,everisARQ/keystone,wmertens/keystone,rafmsou/keystone,jacargentina/keystone,matthieugayon/keystone,dvdcastro/keystone,concoursbyappointment/keystoneRedux,Yaska/keystone,andrewlinfoot/keystone,Pop-Code/keystone,alobodig/keystone,Yaska/keystone,frontyard/keystone,matthewstyers/keystone,ONode/keystone,pswoodworth/keystone,tony2cssc/keystone,wmertens/keystone,brianjd/keystone,w01fgang/keystone,andrewlinfoot/keystone,jacargentina/keystone,xyzteam2016/keystone,snowkeeper/keystone,Pop-Code/keystone,naustudio/keystone,michaelerobertsjr/keystone,alobodig/keystone,matthewstyers/keystone,benkroeger/keystone,qwales1/keystone,brianjd/keystone,jstockwin/keystone,rafmsou/keystone,sendyhalim/keystone,vokal/keystone,matthewstyers/keystone