Added Simon Josi to AUTHORS

AUTHORS

@@ -54,3 +54,4 @@ Ordered by date of first contribution:
   Christopher Peplin <peplin@bueda.com>
   David White <dpwhite2@ncsu.edu>
   Vladimir Kryachko <vladimir.kryachko@etvnet.com>
+  Simon Josi <simon.josi@atizo.com>