Update code style
Update code style

reactjs/history,ReactTraining/history,PactCoffee/history,rackt/history,narr/history,ReactJSTraining/history,narr/history,PactCoffee/history,PactCoffee/history,mjackson/history,rackt/history,narr/history,mjackson/history,ReactJSTraining/history,reactjs/history