anchor.diff:  
   <% if @resource.ssl %>
   server {
  -  listen 443 ssl;
  +  listen 443 ssl spdy;
     server_name <%= @resource.server_name.is_a?(Array) ? @resource.server_name.join(' ') : @resource.server_name %>;
   
     ### SSL cert files ###
  
positive.code:     gzip_static on;
      expires max;
      add_header Cache-Control public;
    }
  
    location / {
      try_files $uri $uri/index.html @unicorn;
    }
  
    location @unicorn {
  
negative.code:     #  enable this if and only if you use HTTPS, this helps Rack
      # set the proper protocol for doing redirects:
      proxy_set_header X-Forwarded-Proto https;
      add_header       Front-End-Https   on;
  
      # pass the Host: header from the client right along so redirects
      # can be set properly within the Rack application
  