refs #575, using livery completer

* embedded in form
* rectified readOnly / only for selection
* added uper case validator where missing
* selecting airline triggers loading of default livery

src/blackgui/editors/airlineicaoform.h

@@ -58,12 +58,19 @@ namespace BlackGui
             //! \copydoc CForm::setReadOnly
             virtual void setReadOnly(bool readOnly) override;
 
+            //! \copydoc CForm::setSelectOnly
+            virtual void setSelectOnly() override;
+
             //! Clear
             void clear();
 
             //! \copydoc CWebDataReaderAware::setProvider
             virtual void setProvider(BlackMisc::Network::IWebDataServicesProvider *webDataReaderProvider) override;
 
+        signals:
+            //! Airline has been changed
+            void airlineChanged(const BlackMisc::Aviation::CAirlineIcaoCode &airlineIcao);
+
         private slots:
             //! Variant has been dropped
             void ps_droppedCode(const BlackMisc::CVariant &variantDropped);