chore(package): update babel-preset-es2015 to version 6.3.13
chore(package): update babel-preset-es2015 to version 6.3.13

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