[Exim] 4.31 pre-release snapshot

The snapshot that is now in

ftp://ftp.csx.cam.ac.uk/pub/software/email/exim/Testing/exim-snapshot.tar.gz
ftp://ftp.csx.cam.ac.uk/pub/software/email/exim/Testing/exim-snapshot.tar.gz.sig

is what I intend to release as 4.31 in a few days time, as long as no
problems turn up. Please test. See doc/{ChangeLog,NewStuff} for details
of changes, and also the README.UPDATING file.

--
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.