Changed interpolator (preliminary) to work with PQs and new classes, added stubs for unit tests in BlackCore

tests/blackcore/main.cpp

@@ -0,0 +1,21 @@
+#include "testblackcoremain.h"
+#include <QCoreApplication>
+#include <QDebug>
+
+using namespace BlackCoreTest;
+
+/*!
+ * Starter for test cases
+ * \brief main
+ * \param argc
+ * \param argv
+ * \return
+ */
+int main(int argc, char *argv[])
+{
+    QCoreApplication a(argc, argv);
+    CBlackCoreTestMain::unitMain(argc, argv);
+
+    // bye
+    return a.exec();
+}