SCRATCH separate the generic updater logic from the application

logic/net/NetJob.h

@@ -108,6 +108,7 @@ private:
 		qint64 current_progress = 0;
 		qint64 total_progress = 1;
 		int failures = 0;
+		bool connected = false;
 	};
 	QString m_job_name;
 	QList<NetActionPtr> downloads;