Add groups portal openid url

Move the openid provider url into groups_openid_provider configuration
variable for groups portal. We are separating the productive and
staging urls, so productive is pointing to openstackid.org now.

Change-Id: Ifc7d5d41b80c3a080800d1d9d1ef394490d93b14

manifests/init.pp

@@ -71,6 +71,7 @@ class drupal (
   $conf_cron_key = undef,
   $conf_markdown_directory = undef,
   $conf_ga_account = undef,
+  $conf_openid_provider = undef,
 ) {
   include apache
   include pear

templates/settings.php.erb

@@ -14,4 +14,7 @@ $conf['groups_feeds_markdown_directory'] = '<%= @conf_markdown_directory %>';
 <% end %>
 <% if @conf_ga_account %>
 $conf['googleanalytics_account'] = '<%= @conf_ga_account %>';
+<% end %>
+<% if @conf_openid_provider %>
+$conf['groups_openid_provider'] = '<%= @conf_openid_provider %>';
 <% end %>