Added i18n to Windchart for loading text

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

@@ -1183,6 +1183,7 @@ public interface StringMessages extends com.sap.sse.gwt.client.StringMessages,
     String raceIsInLiveTimePanelMode();
     String backToLiveTimePanelMode();
     String windChart();
+    String windChartLoading();
     String mediaNoVideosCaption();
     String mediaShowVideoCaption();
     String mediaShowVideoTooltip(String title);

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

@@ -1155,6 +1155,7 @@ leaderboardGroupNotContainedInEvent=The leaderboard group {0} is not contained i
 raceIsInLiveTimePanelMode=Race is Live
 backToLiveTimePanelMode=Back to Live
 windChart=Wind Chart
+windChartLoading="Loading wind data..."
 mediaNoVideosCaption=No Videos
 mediaShowVideoCaption=Show Video
 mediaShowVideoTooltip=Click to show video: {0}

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

@@ -1147,6 +1147,7 @@ leaderboardGroupNotContainedInEvent=Die Wettfahrtgruppe {0} gehört nicht zur Ve
 raceIsInLiveTimePanelMode=Rennen ist live
 backToLiveTimePanelMode=Zurück zu live
 windChart=Winddiagramm
+windChartLoading="Winddaten werden geladen..."
 mediaNoVideosCaption=Keine Videos
 mediaShowVideoCaption=Video ein
 mediaShowVideoTooltip=Video abspielen: {0}

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/shared/charts/WindChart.java

@@ -471,7 +471,7 @@ public class WindChart extends AbstractRaceChart<WindChartSettings> implements R
                 setWidget(chart);
                 // if not playing or empty show loading message
                 if (timer.getPlayState() != PlayStates.Playing || timeOfLatestRequestInMillis == null) {
-                    showLoading("Loading wind data...");
+                    showLoading(stringMessages.windChartLoading());
                 }
                 GetWindInfoAction getWindInfoAction = new GetWindInfoAction(sailingService, selectedRaceIdentifier,
                         from, to, settings.getResolutionInMilliseconds(), null, /* onlyUpToNewestEvent==true because we don't want