Merge branch 'Story1117_Course_Boundary_Collision' into 'develop'

Checked if a boat has crossed the boundary/course limit, if so, bounce the boat back.

# Boundary crossing detection
* if a boat has crossed the boundary, it will be bounced back to where it has came from

# Testing
* Manual testing has been done.
* Boats have bounced back when collides with other boats, mark or boundary. 

#story[1117] #pair[hyi25, zyt10]

See merge request !60

src/main/java/seng302/model/ServerYacht.java

@@ -60,7 +60,7 @@ public class ServerYacht extends Observable {
         this.country = country;
         this.sailIn = false;
         this.isAuto = false;
-        this.location = new GeoPoint(57.670341, 11.826856);
+        this.location = new GeoPoint(57.67046, 11.83751);
         this.lastLocation = location;
         this.heading = 120.0;   //In degrees
         this.currentVelocity = 0d;     //in mms-1