Trouble with hg fclone of type-annotations

[mark.reinhold at oracle.com]

2014/1/6 1:34 -0800, iris.clark at oracle.com:
> I don't think we have anything special running on the servers at 6AM,
> but Mark and John are the experts on this.

This is likely due to a too-small timeout in the nginx configuration.
I've increased it; let ops at openjdk.java.net know if you see the problem
again.

- Mark