References
==========

* https://medium.com/@edwardbenson/how-i-hacked-amazon-s-5-wifi-button-to-track-baby-data-794214b0bdd8#.gz0smxlv0
* https://github.com/vancetran/amazon-dash-rpi/blob/master/habits.py
* http://www.alphr.com/amazon/1001429/amazon-dash-button-hacks-5-ways-to-build-your-own-low-cost-connected-home/page/0/1
* https://community.smartthings.com/t/hack-the-amazon-dash-button-to-control-a-smartthings-switch/20427/14