[NavDB] Add method to set reference point when decoding route

Author: alexrobin

sensors/aviation/sensorhub-utils-aero/src/main/java/org/sensorhub/utils/aero/INavDatabase.java

@@ -60,6 +60,9 @@ public interface INavDbWaypoint extends IWaypoint
 
 
     public IDecodedRoute decodeRoute(String codedRouteString);
+
+
+    public IDecodedRoute decodeRoute(String codedRouteString, double refLat, double refLon);