Fix some file/class name violations.

Ensure the file-name matches the class within, to avoid confusing
people more than necessary.

src/GUI/AircraftItemModel.cxx

@@ -18,7 +18,7 @@
 // along with this program; if not, write to the Free Software
 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
-#include "AircraftModel.hxx"
+#include "AircraftItemModel.hxx"
 
 #include <QSettings>
 #include <QDebug>

src/GUI/AircraftProxyModel.cxx

@@ -1,9 +1,9 @@
-#include "AircraftSearchFilterModel.hxx"
+#include "AircraftProxyModel.hxx"
 
 #include <QSettings>
 #include <QDebug>
 
-#include "AircraftModel.hxx"
+#include "AircraftItemModel.hxx"
 #include "FavouriteAircraftData.hxx"
 
 #include <simgear/package/Package.hxx>

src/GUI/CMakeLists.txt

@@ -90,8 +90,8 @@ if (HAVE_QT)
                             NavaidDiagram.hxx
                             SetupRootDialog.cxx
                             SetupRootDialog.hxx
-                            AircraftModel.hxx
-                            AircraftModel.cxx
+                            AircraftItemModel.hxx
+                            AircraftItemModel.cxx
                             CatalogListModel.cxx
                             CatalogListModel.hxx
                             QtMessageBox.cxx
@@ -104,8 +104,8 @@ if (HAVE_QT)
                             LocationController.hxx
                             LauncherArgumentTokenizer.cxx
                             LauncherArgumentTokenizer.hxx
-                            AircraftSearchFilterModel.cxx
-                            AircraftSearchFilterModel.hxx
+                            AircraftProxyModel.cxx
+                            AircraftProxyModel.hxx
                             DefaultAircraftLocator.cxx
                             DefaultAircraftLocator.hxx
                             LaunchConfig.cxx

src/GUI/LauncherController.cxx

@@ -27,8 +27,8 @@
 #include <Main/fg_props.hxx>
 #include "version.h"
 
-#include "AircraftModel.hxx"
-#include "AircraftSearchFilterModel.hxx"
+#include "AircraftItemModel.hxx"
+#include "AircraftProxyModel.hxx"
 #include "AirportDiagram.hxx"
 #include "CarrierDiagram.hxx"
 #include "CarriersLocationModel.hxx"

src/GUI/LauncherMainWindow.cxx

@@ -22,7 +22,6 @@
 #include "QtLauncher.hxx"
 #include "DefaultAircraftLocator.hxx"
 #include "LaunchConfig.hxx"
-#include "AircraftModel.hxx"
 #include "LocalAircraftCache.hxx"
 #include "LauncherController.hxx"
 #include "AddOnsController.hxx"

src/GUI/RecentAircraftModel.cxx

@@ -3,7 +3,7 @@
 #include <QSettings>
 #include <QDebug>
 
-#include "AircraftModel.hxx"
+#include "AircraftItemModel.hxx"
 
 const int MAX_RECENT_AIRCRAFT = 20;