CA-201219 : join threads & log on shutdown
CA-201219 : join threads & log on shutdown

kostaslamda/win-installer,OwenSmith/win-installer,kostaslamda/win-installer,xenserver/win-installer,xenserver/win-installer,xenserver/win-installer,OwenSmith/win-installer,xenserver/win-installer,kostaslamda/win-installer,kostaslamda/win-installer,OwenSmith/win-installer,xenserver/win-installer,OwenSmith/win-installer,kostaslamda/win-installer,OwenSmith/win-installer