Add extension.

lib/RT/Extension/References.pm

@@ -0,0 +1,29 @@
+use strict;
+use warnings;
+
+package RT::Extension::References;
+
+our $VERSION = "0.1";
+
+=head1 NAME
+
+RT::Extension::References - Use References to try and find a matching ticket
+
+=head1 DESCRIPTION
+
+RT extension to use the References MIME header in inbound emails to try and
+match the message to a preexisting ticket.
+
+=cut
+
+1;
+
+=head1 AUTHOR
+
+Harlan Lieberman-Berg C<< <hlieberm@akamai.com> >>
+
+=head1 LICENSE AND COPYRIGHT
+
+Copyright (c) 2015, Akamai Technologies, Inc.  All rights reserved.
+
+=cut