chore(package): update babel-loader to version 6.3.2
chore(package): update babel-loader to version 6.3.2

https://greenkeeper.io/

aviarypl/mozilla-l10n-addons-frontend,kumar303/addons-frontend,tsl143/addons-frontend,mozilla/addons-frontend,mozilla/addons-frontend,tsl143/addons-frontend,tsl143/addons-frontend,kumar303/addons-frontend,tsl143/addons-frontend,aviarypl/mozilla-l10n-addons-frontend,kumar303/addons-frontend,mozilla/addons-frontend,aviarypl/mozilla-l10n-addons-frontend,kumar303/addons-frontend,aviarypl/mozilla-l10n-addons-frontend,mozilla/addons-frontend