(0.4.6.1-alpha will come out after the stable releases.)

We were looking for the first instance of "directory-signature "
when instead the correct behavior is to look for the first instance
of "directory-signature " at the start of a line.

Unfortunately, this can be exploited as to crash authorities while
they're voting.

Fixes #40316; bugfix on 0.2.2.4-alpha.  This is TROVE-2021-002,
also tracked as CVE-2021-28090.

We're going to disable this feature in all versions for now.

"ours" to avoid version bump.

"ours" to avoid version bump.

It was made to convert Maxmind's "mmdb" files into the older format
that we used.  But now thanks to IPFire Location, we don't have to
touch Maxmind formats any more.  (See ticket #40224.)