Demonstration of recording a message.

def RecordHelloWorld(handler, t):
    """
    Demonstration of recording a message.
    """
    url = "%s/receive_recording.py" % THIS_URL
    t.startRecording(url)
    t.say ("Hello, World.")
    t.stopRecording()
    json = t.RenderJson()
    logging.info ("RecordHelloWorld json: %s" % json)
    handler.response.out.write(json)