- Add a new Log() function to replace ad-hoc std::cout calls wrapped in debugMode checks

- Remove debugMode from classes that don't need it (i.e all of them)

src/imageswitcher.h

@@ -16,7 +16,7 @@ public:
     ImageSwitcher(MainWindow& w, unsigned int timeoutMsec, std::unique_ptr<ImageSelector>& selector);
     void start();
     void scheduleImageUpdate();
-    void setConfigFileReloader(std::function<void(MainWindow &w, ImageSwitcher *switcher, ImageSelector *selector)> reloadConfigIfNeededIn);
+    void setConfigFileReloader(std::function<void(MainWindow &w, ImageSwitcher *switcher)> reloadConfigIfNeededIn);
     void setRotationTime(unsigned int timeoutMsec);
     void setImageSelector(std::unique_ptr<ImageSelector>& selector);
 
@@ -29,7 +29,7 @@ private:
     QTimer timer;
     const unsigned int timeoutNoContent = 5 * 1000; // 5 sec
     QTimer timerNoContent;
-    std::function<void(MainWindow &w, ImageSwitcher *switcher, ImageSelector *selector)> reloadConfigIfNeeded;
+    std::function<void(MainWindow &w, ImageSwitcher *switcher)> reloadConfigIfNeeded;
 };
 
 #endif // IMAGESWITCHER_H