add ability to convert an image to RGB color order

forwarder: add flag to detect if forwarding is enabled

Former-commit-id: c814651ec4973fe3b2bfca7c0370a0bac752f025

libsrc/hyperion/MessageForwarder.cpp

@@ -44,3 +44,8 @@ QList<MessageForwarder::JsonSlaveAddress> MessageForwarder::getJsonSlaves()
 {
 	return _jsonSlaves;
 }
+
+bool MessageForwarder::protoForwardingEnabled()
+{
+	return ! _protoSlaves.empty();
+}