Moved PQs from blackcore to blackmisc, added header for namespace, mainpage.dox for Doxygen

tests/blackcore/main.cpp

@@ -1,14 +0,0 @@
-#include <QCoreApplication>
-#include <QDebug>
-#include "testmain.h"
-
-using namespace BlackCoreTest;
-
-int main(int argc, char *argv[])
-{
-    QCoreApplication a(argc, argv);
-    TestMain::unitMain(argc, argv);
-
-    // bye
-    return a.exec();
-}