Ref T125, use XSwiftBus download component

* as dialog in distribution component
* in wizard

src/blackgui/components/installxswiftbusdialog.cpp

@@ -0,0 +1,27 @@
+/* Copyright (C) 2017
+ * 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.
+ */
+
+#include "installxswiftbusdialog.h"
+#include "ui_installxswiftbusdialog.h"
+
+namespace BlackGui
+{
+    namespace Components
+    {
+        CInstallXSwiftBusDialog::CInstallXSwiftBusDialog(QWidget *parent) :
+            QDialog(parent),
+            ui(new Ui::CInstallXSwiftBusDialog)
+        {
+            ui->setupUi(this);
+        }
+
+        CInstallXSwiftBusDialog::~CInstallXSwiftBusDialog()
+        { }
+    } // ns
+} // ns