Vendor the external cookbooks

Knife-Zero doesn't include Berkshelf support, so vendoring everything in
the repo is convenient again

cookbooks/nginx/templates/default/modules/nginx_status.erb

@@ -0,0 +1,18 @@
+include authorized_ip;
+
+server {
+  listen <%= node['nginx']['status']['port'] %>;
+  server_name _;
+
+  location /nginx_status {
+    if ($authorized_ip = no) {
+      return 404;
+    }
+    stub_status on;
+    access_log off;
+  }
+
+  location / {
+    return 404;
+  }
+}