Notifications API

Send a Notification of each type to the user

def on_run(self):
    self.send_notification(nanome.util.enums.NotificationTypes.error, "There was an error")
    self.send_notification(nanome.util.enums.NotificationTypes.message, "This is a message for the user")
    self.send_notification(nanome.util.enums.NotificationTypes.success, "Something good might have happened")
    self.send_notification(nanome.util.enums.NotificationTypes.warning, "Something bad might have happened")