General: Add lightsw project to cdtools function and make some other minor cleanups.
RM #501: Implemented basic JSON-formatted registration for damper device.
RM #501: Add aJSON library support so the ESP8266 can send JSON messages to the server in support of registration.
RM #501: Implement device registration via multicast messages and a RESTful interface.
RM #496: First pass at working IoT device code.