Build a robot to check that SensorWeb is alive.
We need this robot because our server is terminated twice by unknown reasons in recent two days. Terminating time: #1. 2016/3/30 - 17:20 (GMT+8) #2. 2016/3/30 - 23:00 (GMT+8)
Terminating time: #3. 2016/4/4 - 16:27 (GMT+8)
Please review and close this bug if no longer needed / resolved.