Ref T259, Ref T243 adjusted container, models and views to support CInterpolationSetupList

* added forward declarations
* added some utility functions

src/blackgui/views/interpolationsetupview.cpp

@@ -0,0 +1,25 @@
+/* Copyright (C) 2018
+ * 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 "interpolationsetupview.h"
+
+using namespace BlackGui::Models;
+
+namespace BlackGui
+{
+    namespace Views
+    {
+        CInterpolationSetupView::CInterpolationSetupView(QWidget *parent) :
+            CViewWithCallsignObjects(parent)
+        {
+            this->standardInit(new CInterpolationSetupListModel(this));
+            // this->setMenu(MenuDefaultDbViews);
+        }
+    } // ns
+} // ns