'Initialize the light.'

def __init__(self, add_devices_callback, server_addr=None, broadcast_addr=None):

    import liffylights
    self._devices = []
    self._add_devices_callback = add_devices_callback
    self._liffylights = liffylights.LiffyLights(self.on_device, self.on_power, self.on_color, server_addr, broadcast_addr)
