Preserve swift tenant_id variable when writing into keystone catalog.

Change-Id: Ib01e520f554dbf3f3a07e120e28c95a005172dfc
diff --git a/AUTHORS b/AUTHORS
index 5769f4f..561826c 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -8,6 +8,7 @@
 Devin Carlen <devin.carlen@gmail.com>
 Eddie Hebert <edhebert@gmail.com>
 Eoghan Glynn <eglynn@redhat.com>
+Gabriel Hurley <gabriel@strikeawe.com>
 Jake Dahn <admin@jakedahn.com>
 James E. Blair <james.blair@rackspace.com>
 Jason Cannavale <jason.cannavale@rackspace.com>