Update on GPU2 servers & upload issues, part 2

The new server code has been in for about a day, and so far so good.  The netloads are very low on the servers and everything appears to be behaving well from our side.

We have also made a new client (6.20r1) available to improve uploads.  The client patch should be a greater aid than our server patches, so if you are having upload problems, please consider giving it a try: