Allow the program to "send" frames even if no buses are configured.

These frames will show up in the main frame list and can be operated
on as if they came into the program. It is likely that only the
playback window will work for this special use. Other sending windows
are to follow.

connections/connectionwindow.cpp

@@ -260,6 +260,7 @@ void ConnectionWindow::handleOKButton()
     if( ! CANConManager::getInstance()->getByName(getPortName()) )
     {
         /* create connection */
+        //qDebug() << "Create connection type: " << getConnectionType() << " port: " << getPortName() << " driver: " << getDriverName();
         conn_p = create(getConnectionType(), getPortName(), getDriverName());
         if(!conn_p)
             return;