override func viewDidLoad() {
    super.viewDidLoad()


    title = "Map"

    locationManager.delegate = self

    if CLLocationManager.authorizationStatus() == .NotDetermined {
        locationManager.requestWhenInUseAuthorization()
    } else {
        locationManager.startUpdatingLocation()
    }

    print(Realm.Configuration.defaultConfiguration.path!)
    populateMap()


}