Switch zuul and zuul-dev to project-config

Start using the project-config repo for Zuul.  Stop managing
/etc/zuul/layout in the zuul module itself in favor of the
project_config module.

Change-Id: I46ddb22c53783c0cffa665959f708b0568abd25f

manifests/init.pp

@@ -146,11 +146,6 @@ class zuul (
     ensure => directory,
   }
 
-  file { '/etc/zuul/layout':
-    ensure  => directory,
-    require => File['/etc/zuul'],
-  }
-
 # TODO: We should put in  notify either Service['zuul'] or Exec['zuul-reload']
 #       at some point, but that still has some problems.
   file { '/etc/zuul/zuul.conf':

manifests/server.pp

@@ -16,6 +16,7 @@
 # == Class: zuul::server
 #
 class zuul::server (
+  $layout_dir = '',
 ) {
   service { 'zuul':
     name       => 'zuul',
@@ -30,6 +31,19 @@ class zuul::server (
     refreshonly => true,
   }
 
+  file { '/etc/zuul/layout':
+    ensure  => directory,
+    owner   => 'root',
+    group   => 'root',
+    mode    => '0755',
+    recurse => true,
+    purge   => true,
+    force   => true,
+    source  => $layout_dir,
+    require => File['/etc/zuul'],
+    notify  => Exec['zuul-reload'],
+  }
+
   include logrotate
   logrotate::file { 'zuul.log':
     log     => '/var/log/zuul/zuul.log',