New feature:
============
Recognize Ed25519 signatures.
Read alternative config files embedded in argv[0].
Zaggregate options --only-domain and -%.

Bug fixed:
==========
Decode urlencoded email addresses in DMARC records.

Minor feature changes:
======================
Allow zdkimverify to take up to 5 minutes (was 30 secs).
Consider empty attachments before the footer part of it.
Change "header too  long" log string to "bad header ...".

