Inject logger instead of using a singleton

src/main.cpp

@@ -5,16 +5,8 @@
 
 int main(int argc, char ** argv)
 {
-	/*
-	ServerConfiguration & serverConfiguration;
-	if (serverConfiguration.LoadFromFile("./server.cfg") && !serverConfiguration.IsValid())
-	{
-		Logger::GetInstance().Error("Error loading configuration file, aborting.");
-		return 1;
-	}
-	*/
-
-	HttpServer httpServer;
+	Logger logger;
+	HttpServer httpServer(logger);
 	httpServer.Execute();
 
 	return 0;