Update AUTHORS and .mailmap file

And add a note to doc/HowToRelease.txt to not forget to update the list
of authors in the future ...

.mailmap

@@ -1,4 +1,14 @@
 # mailmap file for git-[short]log and git-blame
+# use "git shortlog -se" to see the list of all authors.
+
+Alexander Barton <alex@barton.de> <anonymous>
+Alexander Barton <alex@barton.de> <alex@kfreebsd.barton.de>
 
-Alexander Barton <anonymous>
 Ali Shemiran <ashemira@ucsd.edu>
+
+Dana Dahlstrom <dana+ngIRCd@cs.ucsd.edu> <dana@cs.ucsd.edu>
+Dana Dahlstrom <dana+ngIRCd@cs.ucsd.edu> <dana+70@cs.ucsd.edu>
+
+DNS <dns@rbose.org>
+
+LucentW <lucent@zebes.info> <LucentW@users.noreply.github.com>

AUTHORS

@@ -41,15 +41,23 @@ Eric Grunow <egrunow@ucsd.edu>
 Federico G. Schwindt <fgsch@lodoss.net>
 Gabor Adam Toth <tg@tgbit.net>
 Goetz Hoffart <goetz@hoffart.de>
+Ian Chard <ian@chard.org>
 Ilja Osthoff <i.osthoff@gmx.net>
 Jari Aalto <jari.aalto@cante.net>
+LucentW <lucent@zebes.info>
+Mantas Mikulėnas <grawity@gmail.com>
 Neale Pickett <neale@woozle.org>
+Peter Powell <petpow@saberuk.com>
 Rolf Eike Beer <eike@sf-mail.de>
+Roy Sindre Norangshol <roy.sindre@norangshol.no>
 Scott Perry <scperry@ucsd.edu>
 Sean Reifschneider <jafo-rpms@tummy.com>
 Sebastian Köhler <sebkoehler@whoami.org.uk>
 Tassilo Schweyer <dev@welterde.de>
+Tom Ryder <tom@sanctum.geek.nz>
+Unit 193 <unit193@ubuntu.com>
 William Pitcock <nenolod@dereferenced.org>
+Yecheng Fu <cofyc.jackson@gmail.com>
 xor <xorboy@gmail.com>
 
 

doc/HowToRelease.txt

@@ -37,6 +37,7 @@ II. How to prepare a new ngIRCd release?
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 a) Make sure the source tree is in a releasable state ;-)
+    - is the AUTHORS file up to date?
 
 b) Make sure you have working versions of GNU autoconf and GNU automake
    installed on the system you use for generating the release: