chore(package): update babel-core to version 6.13.2
chore(package): update babel-core to version 6.13.2

https://greenkeeper.io/
agroves333/banno,jonatay/linkupAdmin,denistakeda/LifeBalance,reactGo/reactGo,tgallin/accompagnerlautisme,agroves333/sf,gajananpp/DS,denistakeda/LifeBalance,mohammed52/door-quote-automator,avloss/reactGo,reactGo/reactGo,SrSandeepKumar/TheWeatherApp,zakkriel/love-quest,johnware15/upbeat-crane,minicooperj/MegdProject,minicooperj/MegdProject,Svatok/react-todo,andrewmoon1/moon-codes,choonkending/react-webpack-node,denistakeda/LifeBalance,phoniks/JustUs-1,davidychow87/etf