Upgrading ESLint and adding some more rules. Refactoring to meet these new rules

web/react/components/admin_console/admin_controller.jsx

@@ -189,4 +189,12 @@ export default class AdminController extends React.Component {
             </div>
         );
     }
-}
+}
+
+AdminController.defaultProps = {
+};
+
+AdminController.propTypes = {
+    tab: React.PropTypes.string,
+    teamId: React.PropTypes.string
+};