finish rewrite, builds fully

src/Common.cpp

@@ -11,7 +11,7 @@ std::unique_ptr<TConsole> Application::mConsole = std::make_unique<TConsole>();
 void Application::RegisterShutdownHandler(const TShutdownHandler& Handler) {
     std::unique_lock Lock(mShutdownHandlersMutex);
     if (Handler) {
-        mShutdownHandlers.push_back(Handler);
+        mShutdownHandlers.push_front(Handler);
     }
 }