* Add working support for color temperature
* Lint fixes
* Fix to config json version to make it build
* Clean up and BLE constants and prepare for lightlevel UUID
* Eagerly send HA discovery, standardize colorTemp, clean up MQTT subscribe
* Fix typo in MqttClient
* Listen to HA birth messages to make devices available after HA restart
- Extract constants to common file
* Prepare for 0.17.0 release
