         NSNotificationCenter.defaultCenter().removeObserver(self, name: UIApplicationDidBecomeActiveNotification, object: nil)
     }
 
-    // MARK: - Navigation
+    // MARK: Navigation
 
     override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
         if segue.identifier == "ShowSettingsSegue" {


        return formatter
    }()

    override func viewDidLoad() {
        super.viewDidLoad()

        }
    }

    // MARK: Actions

    @IBAction func adjustBrightness(sender: UIPanGestureRecognizer) {
        if lightOn {
