'Add optional Origin headers to message'

def add_origin_info(self, packet):

    packet.add_header('Origin-Machine-Name', platform.node())
    packet.add_header('Origin-Software-Name', 'gntp.py')
    packet.add_header('Origin-Software-Version', __version__)
    packet.add_header('Origin-Platform-Name', platform.system())
    packet.add_header('Origin-Platform-Version', platform.platform())
