refs #392 Added BlackGui::CPluginConfigWindow

* CPluginConfigWindow is now base class for all plugin config windows
* CPluginConfigWindow is styled properly
* Fixed behaviour in CSimulatorXPlaneConfigWindow

src/blackgui/pluginconfigwindow.h

@@ -0,0 +1,30 @@
+/* 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 BLACKGUI_PLUGINCONFIGWINDOW_H
+#define BLACKGUI_PLUGINCONFIGWINDOW_H
+
+#include "blackgui/blackguiexport.h"
+#include <QWidget>
+
+namespace BlackGui
+{
+    class BLACKGUI_EXPORT CPluginConfigWindow : public QWidget
+    {
+        Q_OBJECT
+    public:
+        //! No parent
+        explicit CPluginConfigWindow();
+
+    };
+}
+
+#endif // CPLUGINCONFIGWINDOW_H