Use template for Nginx in pypimirror module.

Fixes bug 999242.

No longer make Nginx default site config file a
static file. Instead, use a template that correctly
sets the document root.

Change-Id: Ib4a21319e78dc905cb33514a1371d7719be0380a

modules/pypimirror/manifests/init.pp

@@ -99,7 +99,7 @@ class pypimirror ( $base_url,
 
   file { "/etc/nginx/sites-available/default":
     ensure => present,
-    source => "puppet:///modules/pypimirror/default",
+    content => template('pypimirror/nginx_default.erb'),
     replace => true,
     owner => "root",
     group => "root",

modules/pypimirror/templates/nginx_default.erb

@@ -4,6 +4,6 @@ server {
   index index.html index.htm;
 
   location / {
-    root /usr/local/pypimirror;
+    root <%= mirror_file_path %>;
   }
 }