Build: update AUTHORS.txt

AUTHORS.txt

@@ -235,3 +235,17 @@ Anne-Gaelle Colom <coloma@westminster.ac.uk>
 Victor Homyakov <vkhomyackov@gmail.com>
 George Mauer <gmauer@gmail.com>
 Leonardo Braga <leonardo.braga@gmail.com>
+Stephen Edgar <stephen@netweb.com.au>
+Mr21 <thomastortorini@gmail.com>
+Winston Howes <winstonhowes@gmail.com>
+Jon Hester <jon.d.hester@gmail.com>
+Alexander O'Mara <me@alexomara.com>
+Bastian Buchholz <buchholz.bastian@googlemail.com>
+Arthur Stolyar <nekr.fabula@gmail.com>
+Calvin Metcalf <calvin.metcalf@gmail.com>
+Mu Haibao <mhbseal@163.com>
+Richard McDaniel <rm0026@uah.edu>
+Chris Rebert <github@rebertia.com>
+Gilad Peleg <giladp007@gmail.com>
+Martin Naumann <martin@geekonaut.de>
+Thomas Tortorini <thomastortorini@gmail.com>