Removed the parser from queing packets incorrectly. Used the marker boat location packets to get the live updates of the marker positions and implemented the markers being updated much like the boats currently are. This means the course more closely resembles the actual intended course design.

#story[820]

src/main/java/seng302/models/BoatGroup.java

@@ -148,6 +148,7 @@ public class BoatGroup extends RaceObject{
     public void setDestination (double newXValue, double newYValue, double rotation, int... raceIds) {
         destinationSet = true;
         boat.setVelocity(StreamParser.boatSpeeds.get((long)boat.getId()));
+        velocityObject.setText(String.valueOf(boat.getVelocity()));
         if (hasRaceId(raceIds)) {
             this.pixelVelocityX = (newXValue - boatPoly.getLayoutX()) / expectedUpdateInterval;
             this.pixelVelocityY = (newYValue - boatPoly.getLayoutY()) / expectedUpdateInterval;