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/SceneStep.js

@@ -1,3 +1,5 @@
+const { SCENE_STATES } = require('./constants');
+
 class SceneStep {
   /**
    * @param {import("./types/ApiSite").SceneStep} step
@@ -6,7 +8,7 @@ class SceneStep {
     this.sceneId = step.sceneId;
     this.deviceId = step.deviceId;
     this.output = step.output;
-    this.state = step.state === 'On' ? 1 : 0;
+    this.state = step.state === SCENE_STATES.ON ? 1 : 0;
     this.brightness = step.value;
   }
 }