+ add de page

* rewrite de configuration to use qsettings
- remove cppcheck
+ add notifyrc

sources/dataengine/netctl.h

@@ -54,7 +54,6 @@ private:
     bool debug;
     QMap<QString, QString> configuration;
     void readConfiguration();
-    QMap<QString, QString> updateConfiguration(const QMap<QString, QString> rawConfig);
 };