[PATCH 2/4] perf-test: bump corpus version to 0.3

[David Bremner]

david at tethera.net writes:

> From: David Bremner <bremner at debian.org>
>
> The new version ships with some tags, and an updated archive of the
> notmuch mailing list.

Because of scarce disk space on notmuchmail.org, currently you have to
grab the corpus from 

http://tesseract.cs.unb.ca/notmuch/notmuch-email-corpus-0.3.tar.xz
http://tesseract.cs.unb.ca/notmuch/notmuch-email-corpus-0.3.tar.xz.asc

d

P.S. In partial answer to id:87txs4cy7v.fsf at nikula.org, the new optimization
seems to be just as fast, even with the additional tags.