Fix: Add db args parsing to GUI CLI command

CityDoctorParent/CityDoctorValidation/src/main/java/de/hft/stuttgart/citydoctor2/CityDoctorValidation.java

@@ -96,7 +96,7 @@ public class CityDoctorValidation {
 		return outputFile;
 	}
 
-	private static void lookForDbConfigFileParameter(ArgumentParser argParser) {
+	public static void lookForDbConfigFileParameter(ArgumentParser argParser) {
 		if (!argParser.containsOption("db_config")) {
 			return;
 		}
@@ -108,7 +108,7 @@ public class CityDoctorValidation {
 		}
 	}
 
-	private static void lookForDbLocationParameter(ArgumentParser argParser) {
+	public static void lookForDbLocationParameter(ArgumentParser argParser) {
 		if (!argParser.containsOption("db_location")) {
 			return;
 		}

CityDoctorParent/Extensions/CityDoctorGUI/src/main/java/de/hft/stuttgart/citydoctor2/gui/MainWindow.java

@@ -278,6 +278,8 @@ public class MainWindow extends Application {
                 System.exit(4);
             }
         }
+        CityDoctorValidation.lookForDbConfigFileParameter(argParser);
+        CityDoctorValidation.lookForDbLocationParameter(argParser);
         Application.launch(args);
     }