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)

connections/canconmanager.cpp

@@ -104,7 +104,7 @@ CANConnection* CANConManager::getByName(const QString& pName) const
 
 void CANConManager::refreshConnection(CANConnection* pConn_p)
 {
-    int buses = 0;
+    unsigned int buses = 0;
     foreach(CANConnection* conn_p, mConns)
     {
         if (conn_p->getStatus() == CANCon::CONNECTED) buses += conn_p->getNumBuses();