Scaled down marks and boats to make 3rd person view more realistic

- Added boat and mark annotations to support selection at large camera distance
- Reduced collision radius to 15 m
- Fixed event startup and XML files as race was crashing on start

#story[1296]

racevisionGame/src/main/java/shared/model/Boat.java

@@ -411,14 +411,14 @@ public class Boat extends Collider {
     @Override
     public boolean rayCast(Boat boat) {
         if(boat != this) {
-            return rayCast(boat, 100);
+            return rayCast(boat, 15);
         } else return false;
     }
 
     @Override
     public void onCollisionEnter(Boat collider, Collision e) {
         if(e.getBearing().degrees() > 270 || e.getBearing().degrees() < 90) {
-            collider.bounce(100);
+            collider.bounce(15);
         }
     }
 }

racevisionGame/src/main/java/shared/model/Mark.java

@@ -29,11 +29,6 @@ public class Mark extends Collider{
      */
     private GPSCoordinate position;
 
-    /**
-     * Repulsion radius of the mark
-     */
-    private double repulsionRadius = 50;
-
     /**
      * Constructs a mark with a given source ID, name, and position.
      * @param sourceID The source ID of the mark.
@@ -97,11 +92,11 @@ public class Mark extends Collider{
 
     @Override
     public boolean rayCast(Boat boat) {
-        return rayCast(boat, repulsionRadius);
+        return rayCast(boat, 15);
     }
 
     @Override
     public void onCollisionEnter(Boat collider, Collision e) {
-        collider.bounce(repulsionRadius);
+        collider.bounce(15);
     }
 }