made "show charts" i18n-able

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

@@ -782,7 +782,7 @@ public class LeaderboardPanel extends FormPanel implements TimeListener, PlaySta
         refreshPanel.add(playPause);
         Anchor chartsAnchor = new Anchor(new SafeHtmlBuilder().appendHtmlConstant(
                 "<img class=\"linkNoBorder\" src=\"/images/chart_small.png\"/>").toSafeHtml());
-        chartsAnchor.setTitle("Show charts");
+        chartsAnchor.setTitle(stringConstants.showCharts());
         chartsAnchor.addClickHandler(new ClickHandler() {
             
             @Override

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

@@ -149,4 +149,5 @@ public interface StringConstants extends Constants {
     String no3LetterCodes();
     String add();
     String delete();
+    String showCharts();
 }

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

@@ -143,4 +143,5 @@ sailNumber=Sail number
 country=Country
 no3LetterCodes=Unable to find the IOC 3-letter-codes.
 add=Add
-delete=Delete
+delete=Delete
+showCharts=Show charts

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

@@ -144,4 +144,5 @@ sailNumber=Segelnummer
 country=Land
 no3LetterCodes=IOC 3-Buchstaben-Codes können nicht gefunden werden.
 add=Hinzufügen
-delete=Löschen
+delete=Löschen
+showCharts=Grafische Ansicht