Rename CApplication member function to be better readable

The combination of the method's name 'signalStartupAutomatically'
and the default argument, I completely misunderstood the purpose
of the method in case the argument was skipped.
'a.signalStartupAutomatically()' actually disabled automatic signaling.

src/blackcore/application.cpp

@@ -342,9 +342,9 @@ namespace BlackCore
         return false;
     }
 
-    void CApplication::signalStartupAutomatically(bool signal)
+    void CApplication::setSignalStartupAutomatically(bool enabled)
     {
-        this->m_signalStartup = signal;
+        this->m_signalStartup = enabled;
     }
 
     QString CApplication::getEnvironmentInfoString(const QString &separator) const

src/blackcore/application.h

@@ -168,7 +168,7 @@ namespace BlackCore
         bool isRunningInDeveloperEnvironment() const { return this->m_devEnv; }
 
         //! Signal startup automatically or individually
-        void signalStartupAutomatically(bool signal = false);
+        void setSignalStartupAutomatically(bool enabled);
 
         //! Info string
         QString getEnvironmentInfoString(const QString &separator) const;

src/swiftguistandard/main.cpp

@@ -25,7 +25,7 @@ int main(int argc, char *argv[])
     CGuiApplication::highDpiScreenSupport();
     QApplication qa(argc, argv);
     CSwiftGuiStdApplication a;
-    a.signalStartupAutomatically(); // application will signal startup on its own
+    a.setSignalStartupAutomatically(false); // application will signal startup on its own
     a.splashScreen(":/own/icons/own/swift/swiftCirclePilotClient1024.png");
     if (!a.start())
     {