Offline message without connection established #1156

Offline message now correctly display in case when user refreshes the page again without connection established

src/components/app/ErrorScreen.js

@@ -1,16 +1,31 @@
 import React, { Component } from 'react';
 import counterpart from 'counterpart';
 
+const OFFLINE_MESSAGE_LINE1 = 'Connection lost.';
+const OFFLINE_MESSAGE_LINE2 = 'There are some connection issues. ' +
+                              'Check connection and try to refresh the page.';
+
 class ErrorScreen extends Component {
     constructor(props) {
         super(props);
     }
     render() {
+        let line1 = counterpart.translate('window.error.noStatus.title');
+        let line2 = counterpart.translate('window.error.noStatus.description');
+
+        if (!line1) {
+            line1 = OFFLINE_MESSAGE_LINE1;
+        }
+
+        if (!line2) {
+            line2 = OFFLINE_MESSAGE_LINE2;
+        }
+
         return (
             <div className="screen-freeze">
-                <h3>{counterpart.translate('window.error.noStatus.title')}</h3>
+                <h3>{line1}</h3>
                 <p>
-                    {counterpart.translate('window.error.noStatus.description')}
+                    {line2}
                 </p>
             </div>
         )