Cleaned old code. Changed the GUI refresh. Now there is a global receive

dmx instead one by layer

src/olathread.h

@@ -100,7 +100,7 @@ signals:
     void finished(); // Signal for closing. Not used now.
     void dmxOutput(int layer, int channel, int value); // Signal when a channel has changed
     void toTerminal(QString message);
-    void layerReceived(int i);
+    void layerReceived();
 };
 
 using namespace ola;