Add some output to see if start of the update tool is configured correctly.

update.cpp

@@ -750,6 +750,8 @@ bool Update::doUpdate(int &displayIndex, QStringList const &filesToWorkOn) {
                 + " IS MASTER, BUT ATB-UPDATE-TOOL CALLED WITH libCAmaster.so");
             return false;
         }
+        Utils::printInfoMsg(
+            QString("ATB-UPDATE-TOOL STARTED AS SLAVE OF ") + parentName);
     } else
     if (Utils::isATBQTRunning()) {  // manual testing
         if (m_pluginName.contains("master", Qt::CaseInsensitive)) {
@@ -757,12 +759,15 @@ bool Update::doUpdate(int &displayIndex, QStringList const &filesToWorkOn) {
                 "ATBQT IS MASTER, BUT ATB-UPDATE-TOOL CALLED WITH libCAmaster.so");
             return false;
         }
+        Utils::printInfoMsg(
+            "ATB-UPDATE-TOOL STARTED AS SLAVE-SIBLING OF ATBQT-MASTER");
     } else {
         if (m_pluginName.contains("slave", Qt::CaseInsensitive)) {
             Utils::printCriticalErrorMsg(
                 "ATB-UPDATE-TOOL CALLED WITH libCAslave.so ALTHOUGH MASTER");
             return false;
         }
+        Utils::printInfoMsg("ATB-UPDATE-TOOL STARTED AS MASTER");
 
         if ((serialOpened = openSerial(baudrateMap.value(m_baudrate),
                                        m_baudrate,