PLT-2345 Switch "help" link below text input box to localizable version (#3794)

webapp/components/help/help_controller.jsx

@@ -0,0 +1,27 @@
+// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+import React from 'react';
+import ReactDOM from 'react-dom';
+
+export default class HelpController extends React.Component {
+    static get propTypes() {
+        return {
+            children: React.PropTypes.node.isRequired
+        };
+    }
+
+    componentWillUpdate() {
+        ReactDOM.findDOMNode(this).scrollIntoView();
+    }
+
+    render() {
+        return (
+            <div className='help'>
+                <div className='container col-sm-10 col-sm-offset-1'>
+                    {this.props.children}
+                </div>
+            </div>
+        );
+    }
+}