Update to V169 - Now compiles under QT 5.9 (LTS). Fixed some warnings,

switched to using system QTScintilla library on Linux. This prevents
you from needing to compile it yourself, added preliminary support for
three buses with a GVRET device (for Macchina M2 boards)

bus_protocols/isotp_handler.cpp

@@ -107,6 +107,7 @@ void ISOTP_HANDLER::updatedFrames(int numFrames)
 
 void ISOTP_HANDLER::rapidFrames(const CANConnection* conn, const QVector<CANFrame>& pFrames)
 {
+    Q_UNUSED(conn)
     if (pFrames.length() <= 0) return;
 
     qDebug() << "received messages in ISOTP handler";