... now that the PAM auth is in a plugin. This is technically a
compatibility breaking change, but I'm pretty sure no one else depends
on this library.

This is expected to improve the burst data transfer performance.

Integrated a new version of Stapler that provides debug logging for the
problem. See the ticket for more details of how to enable this probe.

In the end, proper fix requires having a filter that tracks
GZipOutputStream.

... to fix a possible race condition.

Conflicts:

	changelog.html

This reverts commit 9a1ad74b. The bits
aren't yet synchronized to central apparently.

Conflicts:

	changelog.html