also parse command line options in batch mode.

fixes errors with almost all unittests of OF

OpenFlipper.cc

@@ -596,6 +596,23 @@ int main(int argc, char **argv)
     QCoreApplication::setApplicationName(TOSTRING(PRODUCT_STRING));
     QCoreApplication::setApplicationVersion(OpenFlipper::Options::coreVersion());
 
+    switch (parseCommandLine(parser, &errorMessage)) {
+      case CommandLineOk:
+        break;
+      case CommandLineError:
+        fputs(qPrintable(errorMessage), stderr);
+        fputs("\n\n", stderr);
+        fputs(qPrintable(parser.helpText()), stderr);
+        return 1;
+      case CommandLineVersionRequested:
+        printf("%s %s\n", qPrintable(QCoreApplication::applicationName()),
+            qPrintable(QCoreApplication::applicationVersion()));
+        return 0;
+      case CommandLineHelpRequested:
+        parser.showHelp();
+        Q_UNREACHABLE();
+    }
+
     // create widget ( this also reads the ini files )
     Core * w = new Core( );