Add supermarket metadata

metadata.rb

@@ -22,7 +22,7 @@
 recipe 'chef-client::upstart_service', 'Configures chef-client as a service under Upstart'
 recipe 'chef-client::windows_service', 'Configures chef-client as a service on Windows'
 
-%w{ ubuntu debian redhat centos fedora oracle suse freebsd openbsd mac_os_x mac_os_x_server windows aix }.each do |os|
+%w( ubuntu debian redhat centos fedora oracle suse freebsd openbsd mac_os_x mac_os_x_server windows aix ).each do |os|
   supports os
 end
 
@@ -37,3 +37,6 @@
 depends 'cron', '>= 1.2.0'
 depends 'logrotate', '>= 1.2.0'
 depends 'windows', '~> 1.37'
+
+source_url 'https://github.com/chef-cookbooks/chef-client' if respond_to?(:source_url)
+issues_url 'https://github.com/chef-cookbooks/chef-client/issues' if respond_to?(:issues_url)