Enable music mode (to avoid limited rate)

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/branches/0.7@2935 b32b6428-25c9-4566-ad07-03861ab6144f

devices/protocols/Yeelight/xaal/yeelight/devices.py

@@ -47,6 +47,7 @@ class YeelightDev(object):
         # It's safer to use a lock to avoid the socket to be used w/ 2 greenlets at the same time.
         # This can occurs on the device refresh
         self.lock = gevent.lock.BoundedSemaphore(1)
+        self.bulb.start_music()
 
     def debug_properties(self,properties):
         if not hasattr(self,'last_properties'):