add autotest growl, if thats how you roll

autotest/discover.rb

 #   Copyright (c) 2010, Diaspora Inc.  This file is
 #   licensed under the Affero General Public License version 3 or later.  See
 #   the COPYRIGHT file.
-
+require 'autotest/growl'
 Autotest.add_discovery { "rails" }
 Autotest.add_discovery { "rspec2" }
 Autotest.add_hook :initialize do |at|