func unregisterForNotificationsForApp(){
        let application = UIApplication.sharedApplication()
        application.unregisterForRemoteNotifications()
        NSUserDefaults.standardUserDefaults().setBool(false, forKey: "pushPermissions")
    }
	
    func registerForNotificationsForApp(){
        let userNotificationTypes = (UIUserNotificationType.Alert |
            UIUserNotificationType.Badge |
            UIUserNotificationType.Sound);
        let device = CurrentDevice()
        let settings = UIUserNotificationSettings(forTypes: userNotificationTypes, categories: nil)
        let application = UIApplication.sharedApplication()
        application.registerUserNotificationSettings(settings)
        application.registerForRemoteNotifications()
        NSUserDefaults.standardUserDefaults().setBool(true, forKey: "pushPermissions")        
    }