1.7.0-rc4 up for signing / testing

I've rolled 1.7.0-rc4, what is expected to be the last release
candidate, the magic rev is r1176462, and you can find it here:
http://people.apache.org/~hwright/svn/1.7.0-rc4/

After testing this on svn.apache.org, I expect the final release to be
cut from the same magic revision in a week or two. We should have
more exact dates after all the signatures are gathered for this
release.

As usual, to sign the tarballs, please go here:
http://work.hyrumwright.org/pub/svn/collect_sigs.py

Downstream maintainers: as always, we encourage enthusiastic user
testing, but please don't distribute this through channels meant for
end users.

Thanks,
-Hyrum

-- 
uberSVN: Apache Subversion Made Easy
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