As of workshop RW/KB

* Allow to "jump" to text message channel from ATC / aircraft
* changed timer connections for components to new SLOT syntax
* housekeeping:
** new function in network context for station by callsign
** refactored textmessage component, allow to select tab by slot
** wired up signal / slots in main GUI
** removed unused functions
** allow to select area and "myself" in infoarea

src/blackgui/components/maininfoareacomponent.h

@@ -62,6 +62,9 @@ namespace BlackGui
             //! Aircrafts
             CAircraftComponent *getAircraftComponent();
 
+            //! Mappings
+            CMappingComponent *getMappingComponet();
+
             //! User component
             CUserComponent *getUserComponent();