Completed working boat selection screen.

When a user selects a different boat, it is sent to all other clients and updates accordingly. Boats are all shown with their correct models in game.

#story[1274]

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

@@ -424,4 +424,8 @@ public class ServerYacht {
     public void setBoatType(String boatType) {
         this.boatType = boatType;
     }
+
+    public String getBoatType() {
+        return boatType;
+    }
 }