Started implementing the gameState broadcasts.

Initial xml files are almost broad casted, just need to create them (or import the for the regatta). Started the setup for sending boat location packets, should work once we get at least the boat xml working when being sent.

#story[1047]

src/main/java/seng302/models/Yacht.java

@@ -252,4 +252,11 @@ public class Yacht {
         return boatName;
     }
 
+    public GeoPoint getLocation() {
+        return location;
+    }
+
+    public Double getHeading() {
+        return heading;
+    }
 }