PLT-6478 Fixed copyright date on login screen (#6329)

cmd/platform/config.go

@@ -1,4 +1,4 @@
-// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
+// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
 // See License.txt for license information.
 package main
 

webapp/components/header_footer_template.jsx

@@ -90,7 +90,9 @@ export default class NotLoggedIn extends React.Component {
                             <span className='pull-right footer-site-name'>{'Mattermost'}</span>
                         </div>
                         <div className='col-xs-12'>
-                            <span className='pull-right footer-link copyright'>{'© 2015-2016 Mattermost, Inc.'}</span>
+                            <span className='pull-right footer-link copyright'>
+                                {`© 2015-${new Date().getFullYear()} Mattermost, Inc.`}
+                            </span>
                             {content}
                         </div>
                     </div>

webapp/components/user_settings/manage_languages.jsx

@@ -1,4 +1,4 @@
-// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
 // See License.txt for license information.
 
 import SettingItemMax from '../setting_item_max.jsx';