refs #619, cache for last selections in components

1st implementation for mapping component

src/blackgui/registermetadata.cpp

@@ -0,0 +1,19 @@
+/* Copyright (C) 2016
+ * 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 "registermetadata.h"
+#include "components/registermetadatacomponents.h"
+
+namespace BlackGui
+{
+    void registerMetadata()
+    {
+        BlackGui::Components::registerMetadata();
+    }
+}