Update auth.js to es6
Update auth.js to es6

etremel/signmeup,signmeup/signmeup,athyuttamre/signmeup,gregcarlin/signmeup,athyuttamre/signmeup,signmeup/signmeup,gregcarlin/signmeup,etremel/signmeup,gregcarlin/signmeup,etremel/signmeup