Clean up, only provide the basic installation from YEOMAN
	deleted:    app/sound/bigbox.mp3
	deleted:    app/sound/bigbox.ogg
	deleted:    app/sound/messagebox.mp3
	deleted:    app/sound/messagebox.ogg
	deleted:    app/sound/smallbox.mp3
	deleted:    app/sound/smallbox.ogg
	modified:   package.json