Docs: Update AUTHORS.txt

Author: mgol

AUTHORS.txt

@@ -2,6 +2,15 @@ Authors ordered by first contribution.
 
 Dave Methvin <dave.methvin@gmail.com>
 Richard Gibson <richard.gibson@gmail.com>
+Corey Frang <gnarf@gnarf.net>
 Igor Kalashnikov <igor.kalashnikov@me.com>
 Max Riveiro <kavu13@gmail.com>
-
+Jörn Zaefferer <joern.zaefferer@gmail.com>
+Timo Tijhof <krinklemail@gmail.com>
+Scott González <scott.gonzalez@gmail.com>
+Michał Gołębiowski <m.goleb@gmail.com>
+Arthur Verschaeve <contact@arthurverschaeve.be>
+Will Binns-Smith <wbinnssmith@gmail.com>
+Eric Lee Carraway <github@ericcarraway.com>
+Matthew Brundage <github@mattbrundage.com>
+Oleg Gaidarenko <markelog@gmail.com>