Upgrading client dependancies. Upgrading to babel 6. Moving to es6 package system.

web/react/components/user_settings/user_settings_appearance.jsx

@@ -1,16 +1,16 @@
 // Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
 // See License.txt for license information.
 
-const CustomThemeChooser = require('./custom_theme_chooser.jsx');
-const PremadeThemeChooser = require('./premade_theme_chooser.jsx');
+import CustomThemeChooser from './custom_theme_chooser.jsx';
+import PremadeThemeChooser from './premade_theme_chooser.jsx';
 
-const UserStore = require('../../stores/user_store.jsx');
+import UserStore from '../../stores/user_store.jsx';
 
-const AppDispatcher = require('../../dispatcher/app_dispatcher.jsx');
-const Client = require('../../utils/client.jsx');
-const Utils = require('../../utils/utils.jsx');
+import AppDispatcher from '../../dispatcher/app_dispatcher.jsx';
+import * as Client from '../../utils/client.jsx';
+import * as Utils from '../../utils/utils.jsx';
 
-const Constants = require('../../utils/constants.jsx');
+import Constants from '../../utils/constants.jsx';
 const ActionTypes = Constants.ActionTypes;
 
 export default class UserSettingsAppearance extends React.Component {