Added "arrow" pointing to next mark on third person view

#story[1195]

racevisionGame/src/main/java/visualiser/layout/Annotation3D.java

@@ -0,0 +1,24 @@
+package visualiser.layout;
+
+import javafx.scene.shape.Shape3D;
+
+/**
+ * Created by connortaylorbrown on 13/09/17.
+ */
+public class Annotation3D extends Subject3D {
+    /**
+     * Constructor for view subject wrapper
+     *
+     * @param mesh to be rendered
+     */
+    public Annotation3D(Shape3D mesh) {
+        super(mesh, 0);
+    }
+
+    /**
+     * Prevent rescaling of this subject
+     * @param scale ignored
+     */
+    @Override
+    public void setScale(double scale) {}
+}