Add new parameters to zuul::web

In the next patch we'll start using them, but we need to be able to add
them to system-config so that the acceptance tests will run.

Add the parameters but don't do anything with them yet.

Change-Id: I4a2062fc35f8861267f8b8ce3e6d0e9f1d6cffdc

manifests/web.pp

@@ -20,6 +20,13 @@ class zuul::web (
   $web_listen_address = '127.0.0.1',
   $web_listen_port = 9000,
   $enable_status_backups = true,
+  $tenant_name = '',
+  $vhost_name = $::fqdn,
+  $ssl_cert_file_contents = '',
+  $ssl_key_file_contents = '',
+  $ssl_chain_file_contents = '',
+  $block_referers = [],
+  $serveradmin = "webmaster@${::fqdn}",
 ) {
 
   service { 'zuul-web':