Adds Martin Melin to AUTHORS

AUTHORS

@@ -85,6 +85,7 @@ Mark Hellewell <mark.hellewell@gmail.com>
 Mark Lavin <mlavin@caktusgroup.com>
 Mark Stover <stovenator@gmail.com>
 Martin Galpin <m@66laps.com>
+Martin Melin <git@martinmelin.com>
 Matt Williamson <dawsdesign@gmail.com>
 Matthew J Morrison <mattj.morrison@gmail.com>
 Mauro Rocco <fireantology@gmail.com>