'Add new Notification to Registration message
@param name: Notification Name
@param enabled: Default Notification to Enabled'

def add_notification(self, name, enabled=True):

    notice = {}
    notice['Notification-Name'] = name
    notice['Notification-Enabled'] = str(enabled)
    self.notifications.append(notice)
    self.headers['Notifications-Count'] = len(self.notifications)
