Merge pull request #2517 from gurjeet/patch-2

Add gurjeet  as an author

AUTHORS

@@ -69,6 +69,7 @@ Gabriel Monroy <gabriel@opdemand.com>
 Gareth Rushgrove <gareth@morethanseven.net>
 Greg Thornton <xdissent@me.com>
 Guillaume J. Charmes <guillaume.charmes@dotcloud.com>
+Gurjeet Singh <gurjeet@singh.im>
 Guruprasad <lgp171188@gmail.com>
 Harley Laue <losinggeneration@gmail.com>
 Hector Castro <hectcastro@gmail.com>