Add support for serveraliases in vhosts

These vhost shorthands don't currently support setting serveraliases, which the
underlying nginx::vhost does. Allow use of serveraliases in vhost::* by adding a
default parameter to each.

Author: nickstenning

manifests/vhost/homedir.pp

@@ -12,6 +12,7 @@
   $priority       = '20',
   $template       = 'nginx/vhost-homedir.conf.erb',
   $servername     = '',
+  $serveraliases  = undef,
   $ssl            = false,
   $ssl_port       = '443',
   $ssl_path       = $nginx::server::default_ssl_path,

manifests/vhost/proxy.pp

@@ -33,6 +33,7 @@
   $upstream_server = 'localhost',
   $upstream_port   = '8080',
   $servername      = '',
+  $serveraliases   = undef,
   $ssl             = false,
   $ssl_port        = '443',
   $ssl_path        = $nginx::server::default_ssl_path,

manifests/vhost/redirect.pp

@@ -13,6 +13,7 @@
   $priority       = '10',
   $template       = 'nginx/vhost-redirect.conf.erb',
   $servername     = '',
+  $serveraliases  = undef,
   $ssl            = false,
   $ssl_port       = '443',
   $ssl_path       = $nginx::server::default_ssl_path,