Adds Alec Clowes to AUTHORS

AUTHORS

@@ -7,6 +7,7 @@ Aaron Ross <aaron@wawd.com>
 Adam Endicott
 Adriano Petrich <petrich@gmail.com>
 Akira Matsuzaki <akira.matsuzaki.1977@gmail.com>
+Alec Clowes <aclowes@gmail.com>
 Ales Zoulek <ales.zoulek@gmail.com>
 Allan Caffee <allan.caffee@gmail.com>
 Andrew McFague <amcfague@wgen.net>