Implemented GetOutput in visualizer

src/main/java/pacmanGame/VisualizerPlainTextUltra.java

@@ -82,8 +82,7 @@ public class VisualizerPlainTextUltra implements Visualizer {
 	
 	@Override
 	public Object GetOutput() {
-		// TODO Auto-generated method stub
-		return null;
+		return output;
 	}
 
 	@Override