Reordered metadata.rb for readability, satisfy foodcritic/rubocop

Change-Id: I0dd19692ae9ca1c403762fa19e4c45e60cc76fcd

.rubocop_todo.yml

@@ -1,11 +1,16 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config`
-# on 2017-02-23 16:58:36 +0100 using RuboCop version 0.39.0.
+# on 2017-08-17 17:27:05 -0400 using RuboCop version 0.47.1.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
 # versions of RuboCop, may require this file to be generated again.
 
+# Offense count: 4
+# Configuration parameters: CountComments, ExcludedMethods.
+Metrics/BlockLength:
+  Max: 107
+
 # Offense count: 1
 # Configuration parameters: EnforcedStyle, SupportedStyles.
 # SupportedStyles: nested, compact

metadata.rb

@@ -1,9 +1,6 @@
-# encoding: UTF-8
 name             'openstack-ops-messaging'
 maintainer       'openstack-chef'
 maintainer_email 'openstack-dev@lists.openstack.org'
-issues_url 'https://launchpad.net/openstack-chef' if respond_to?(:issues_url)
-source_url 'https://github.com/openstack/cookbook-openstack-ops-messaging' if respond_to?(:source_url)
 license          'Apache 2.0'
 description      'Provides the shared messaging configuration for Chef for OpenStack.'
 version          '15.0.0'
@@ -17,3 +14,7 @@ end
 
 depends 'openstack-common', '>= 15.0.0'
 depends 'rabbitmq', '~> 4.10'
+
+issues_url 'https://launchpad.net/openstack-chef' if respond_to?(:issues_url)
+source_url 'https://github.com/openstack/cookbook-openstack-ops-messaging' if respond_to?(:source_url)
+chef_version '>= 12.5' if respond_to?(:chef_version)