Added abstract class for all javafx object that a displayed during race. Began refactoring of mark implementation to be a subclass of the aforementioned abstract class.

src/main/java/seng302/models/RaceObject.java

@@ -0,0 +1,32 @@
+package seng302.models;
+
+import javafx.geometry.Point2D;
+import javafx.scene.Group;
+
+/**
+ * Created by CJIRWIN on 26/04/2017.
+ */
+public abstract class RaceObject extends Group {
+
+    double rotationalGoal;
+    double currentRotation;
+    double rotationalVelocity;
+    double pixelVelocityX;
+    double pixelVelocityY;
+
+    public boolean isSamePos (Point2D point) {
+        return point.getX() == super.getLayoutX() && point.getY() == super.getLayoutY();
+    }
+
+    public Point2D getPosition () {
+        return new Point2D(super.getLayoutX(), getLayoutY());
+    }
+    public abstract void setDestination (double x, double y, double rotation);
+    public abstract void setDestination (double x, double y);
+    public abstract void updatePosition (double timeInterval);
+    public abstract void moveTo (double x, double y, double rotation);
+    public abstract void moveTo (double x, double y);
+    public abstract boolean hasRaceId (int... raceIds);
+    public abstract void toggleAnnotations ();
+
+}