refs #445, value objects and containers

* common base class for DB based classes
* common base class for DB based containers
* Livery, distributor value class
* adjusted value classes to livery
* utility functions for DB values (blackmisc free functions)
* register new objects with metadata system

src/blackmisc/aviation/liverylist.cpp

@@ -0,0 +1,34 @@
+/* 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.
+ */
+
+#include "blackmisc/aviation/liverylist.h"
+#include "blackmisc/predicates.h"
+
+using namespace BlackMisc::PhysicalQuantities;
+
+namespace BlackMisc
+{
+    namespace Aviation
+    {
+
+        CLiveryList::CLiveryList() { }
+
+        CLiveryList::CLiveryList(const CSequence<CLivery> &other) :
+            CSequence<CLivery>(other)
+        { }
+
+        CLiveryList CLiveryList::findByCombinedCode(const QString &combinedCode) const
+        {
+            QString cc(combinedCode.trimmed().toUpper());
+            if (cc.isEmpty()) { return CLiveryList();}
+            return this->findBy(&CLivery::getCombinedCode, cc);
+        }
+
+    } // namespace
+} // namespace