changed color of course middleline to fit better to the new water color

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/client/shared/racemap/RaceMap.java

@@ -1021,7 +1021,7 @@ public class RaceMap extends AbsolutePanel implements TimeListener, CompetitorSe
                     PolylineOptions options = PolylineOptions.newInstance();
                     options.setClickable(true);
                     options.setGeodesic(true);
-                    options.setStrokeColor("#6896c6");
+                    options.setStrokeColor("#2268a0");
                     options.setStrokeWeight(1);
                     options.setStrokeOpacity(1.0);