Add initial support for DMX lighting

events.py

@@ -193,3 +193,14 @@ class Lyrics(Event):
         if message == 'newdisplay':
             self._eventrunner.finished(self)
 
+class LightScene(Event):
+    def __init__(self, scene, fade=0, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self._scene = scene
+        self._fade = fade
+
+    def start(self):
+        scenes = self._eventrunner.get_config('scenes')
+        scene = scenes[self._scene]
+        scene.activate(self._fade)
+