adding buttons to bottom bar

assignments/a2/src/main/java/Controls.java

@@ -8,6 +8,10 @@ public class Controls extends JPanel implements Observer
 {
   private Model model;
   private playSlider playback;
+  private JButton play;
+  private JButton reverse;
+  private JButton reset;
+  private JButton clear;
 
   // Bob the Builder this shit
   public Controls(Model model, Handler handler)