added i18n for server communication error message

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/AbstractEntryPoint.java

@@ -25,13 +25,6 @@ public abstract class AbstractEntryPoint extends com.sap.sse.gwt.client.Abstract
     private UserService userService;
     private UserManagementServiceAsync userManagementService;
 
-    /**
-     * The message displayed to the user when the server cannot be reached or
-     * returns an error.
-     */
-    private static final String SERVER_ERROR = "An error occurred while " //$NON-NLS-1$
-            + "attempting to contact the server. Please check your network " + "connection and try again."; //$NON-NLS-1$ //$NON-NLS-2$
-
     protected void doOnModuleLoad() {
         super.doOnModuleLoad();
         userManagementService = GWT.create(UserManagementService.class);
@@ -55,7 +48,7 @@ public abstract class AbstractEntryPoint extends com.sap.sse.gwt.client.Abstract
     public void reportError(String message) {
         errorDialogBox.setText(message);
         serverResponseLabel.addStyleName("serverResponseLabelError"); //$NON-NLS-1$
-        serverResponseLabel.setHTML(SERVER_ERROR);
+        serverResponseLabel.setHTML(stringMessages.serverError());
         errorDialogBox.center();
         dialogCloseButton.setFocus(true);
     }

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/StringMessages.java

@@ -1106,4 +1106,5 @@ public interface StringMessages extends com.sap.sse.gwt.client.StringMessages {
     String enterRaceName();
     String enterCourseName();
     String scoringSchemeHighPointFirstGetsTenOrEightDescription();
+    String serverError();
 }

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/StringMessages.properties

@@ -1088,3 +1088,4 @@ enterVideoURL=Enter video URL...
 enterSponsorImageURL=Enter sponsor image URL...
 enterRaceName=Enter race name...
 scoringSchemeHighPointFirstGetsTenOrEightDescription=Score in points. Winner scores 10 points, 2nd - 9 points, ..., boats coming 10th and after score 1 point each. A tie is broken in favour of the competitor having won most races, if tie remains then tie is broken by the rank in the last race scored.
+serverError=An error occurred while attempting to contact the server. Please check your network connection and try again.

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/StringMessages_de.properties

@@ -1081,4 +1081,5 @@ enterImageURL=Bild-URL eingeben...
 enterVideoURL=Video-URL eingeben...
 enterSponsorImageURL=Sponsorbild-URL eingeben...
 enterRaceName=Wettfahrtnamen eingeben...
-scoringSchemeHighPointFirstGetsTenOrEightDescription=High Point System, der Gewinner erhält 10 Punkte, der Zweite 8 und so weiter. Die Plätze 10 und tiefer erhalten einen Punkt.
+scoringSchemeHighPointFirstGetsTenOrEightDescription=High Point System, der Gewinner erhält 10 Punkte, der Zweite 8 und so weiter. Die Plätze 10 und tiefer erhalten einen Punkt.
+serverError=Es ist ein Fehler beim Versuch aufgetreten, den Server zu kontaktieren. Bitte Netzwerkverbindung prüfen und erneut versuchen.

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/StringMessages_ru.properties

@@ -1030,4 +1030,5 @@ enterImageURL=Enter image URL...
 enterVideoURL=Enter video URL...
 enterSponsorImageURL=Enter sponsor image URL...
 enterRaceName=Enter race name...
-scoringSchemeHighPointFirstGetsTenOrEightDescription=Score in points. Winner scores 10 points, 2nd - 9 points, ..., boats coming 10th and after score 1 point each. A tie is broken in favour of the competitor having won most races, if tie remains then tie is broken by the rank in the last race scored.
+scoringSchemeHighPointFirstGetsTenOrEightDescription=Score in points. Winner scores 10 points, 2nd - 9 points, ..., boats coming 10th and after score 1 point each. A tie is broken in favour of the competitor having won most races, if tie remains then tie is broken by the rank in the last race scored.
+serverError=An error occurred while attempting to contact the server. Please check your network connection and try again.