Version bump to 3.0.4

Author: Sean OMeara

metadata.rb

@@ -3,7 +3,7 @@
 maintainer_email  'cookbooks@opscode.com'
 license           'Apache 2.0'
 description       'Installs and configures RabbitMQ server'
-version           '3.0.3'
+version           '3.0.4'
 recipe            'rabbitmq', 'Install and configure RabbitMQ'
 recipe            'rabbitmq::cluster', 'Set up RabbitMQ clustering.'
 recipe            'rabbitmq::plugin_management', 'Manage plugins with node attributes'