Refactor qmake SUBDIRS structure

The big swift.pro is refactored by the correct usage of SUBDIRS
template. The following additional changes are made:
- Removed '_' from all targets and folder names
- Aligned parent folder and target name

refs #461

src/plugins/simulator/xplaneconfig/simulatorxplaneconfigwindow.h

@@ -0,0 +1,57 @@
+/* Copyright (C) 2015
+ * swift project Community / Contributors
+ *
+ * This file is part of swift Project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+//! \file
+
+#ifndef BLACKSIMPLUGIN_SIMULATOR_XPLANE_CONFIG_WINDOW_H
+#define BLACKSIMPLUGIN_SIMULATOR_XPLANE_CONFIG_WINDOW_H
+
+#include "simulatorxplaneconfig.h"
+#include "blackgui/pluginconfigwindow.h"
+#include <QScopedPointer>
+
+namespace Ui {
+class CSimulatorXPlaneConfigWindow;
+}
+
+namespace BlackSimPlugin
+{
+    namespace XPlane
+    {
+        /**
+         * A window that shows all the X-Plane plugin options.
+         */
+        class CSimulatorXPlaneConfigWindow : public BlackGui::CPluginConfigWindow
+        {
+            Q_OBJECT
+
+        public:
+            //! Ctor.
+            CSimulatorXPlaneConfigWindow(QWidget *parent);
+
+            //! Dtor.
+            virtual ~CSimulatorXPlaneConfigWindow();
+
+        private:
+            //! Checks whether xbus is present in the distributed directory.
+            bool xBusAvailable();
+
+        private slots:
+            void ps_storeSettings();
+            void ps_installXBus();
+
+        private:
+            QScopedPointer<Ui::CSimulatorXPlaneConfigWindow> ui;
+            BlackCore::CSetting<XBusServer> m_xbusServerSetting { this };
+
+        };
+    }
+}
+
+#endif // guard