0.17.0 release - improve startup and fix color temp (#324)

* 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

plejd/DeviceRegistry.js

@@ -257,8 +257,9 @@ class DeviceRegistry {
    * @param {string} uniqueOutputId
    * @param {boolean} state
    * @param {number?} [dim]
+   * @param {number?} [color]
    */
-  setOutputState(uniqueOutputId, state, dim) {
+  setOutputState(uniqueOutputId, state, dim, color) {
     const device = this.getOutputDevice(uniqueOutputId);
     if (!device) {
       logger.warn(
@@ -268,9 +269,12 @@ class DeviceRegistry {
     }
 
     device.state = state;
-    if (dim && device.dimmable) {
+    if (typeof dim === 'number' && device.dimmable) {
       device.dim = dim;
     }
+    if (typeof color === 'number' && device.colorTemp) {
+      device.colorTemp = color;
+    }
     if (Logger.shouldLog('silly')) {
       logger.silly(`Updated state: ${JSON.stringify(device)}`);
     }