refs #818, allow to log dummy messages / text messages from internals UI

* UI
* slots in network context
* adjusted overlay layout (based on the tests)

src/blackgui/components/internalscomponent.h

@@ -54,12 +54,18 @@ namespace BlackGui
             //! Set all engines
             void ps_setAllEngines();
 
-            //! GUI to Json
+            //! GUI to JSON
             void ps_guiToJson();
 
             //! Enable / disable debugging
             void ps_enableDebug(int state);
 
+            //! Send the text message
+            void ps_sendTextMessage();
+
+            //! Send a dummy status message
+            void ps_logStatusMessage();
+
         private:
             QScopedPointer<Ui::CInternalsComponent> ui;