 	*/
 	func showReloadButton() {
 		let refreshButton = UIBarButtonItem(barButtonSystemItem: UIBarButtonSystemItem.Refresh, target: self, action: "updateData")
-		self.navigationItem.rightBarButtonItem = refreshButton
+		navigationItem.rightBarButtonItem = refreshButton
 	}
 
 	/**

	Sort the parkingslots array based on what is currently saved for SortingType in NSUserDefaults.
	*/
	func sortLots() {
		let sortingType = NSUserDefaults.standardUserDefaults().stringForKey("SortingType")
		switch sortingType! {
		case "distance":
			parkinglots.sortInPlace({

	@IBAction func settingsButtonTapped(sender: UIBarButtonItem) {
		let settingsStoryBoard = UIStoryboard(name: "Settings", bundle: NSBundle.mainBundle())
		let settingsVC = settingsStoryBoard.instantiateInitialViewController()!
		navigationController?.presentViewController(settingsVC, animated: true, completion: nil)
	}

	// /////////////////////////////////////////////////////////////////////////
