Added checking for update and triggering the updater.

genericcore.h

@@ -1,15 +1,28 @@
 #ifndef GENERICCORE_H
 #define GENERICCORE_H
 
+#include <QObject>
+
 class QString;
 
-class GenericCore {
+class GenericCore : public QObject {
+  Q_OBJECT
+
  public:
   GenericCore();
   ~GenericCore();
 
   QString toString() const;
   void sayHello() const;
+
+  bool isApplicationUpdateAvailable();
+  void triggerApplicationUpdate();
+
+ signals:
+  void displayStatusMessage(QString message);
+
+ private:
+  QString getMaintenanceToolFilePath() const;
 };
 
 #endif  // GENERICCORE_H