description of edits to enhance server.js for node-boilerplate

layout.ejs

  <script>SOCKET_IO_PORT = <%= port %>;</script>
  <script src="/js/socket.io.js"></script>

...


  <!-- mathiasbynens.be/notes/async-analytics-snippet Change UA-XXXXX-X to be your site's ID -->
  <script>
    var _gaq=[["_setAccount","<%= googleAnalyticsSiteId %>"],["_trackPageview"]];
    (function(d,t){var g=d.createElement(t),s=d.getElementsByTagName(t)[0];g.async=1;
    g.src=("https:"==location.protocol?"//ssl":"//www")+".google-analytics.com/ga.js";
    s.parentNode.insertBefore(g,s)}(document,"script"));
  </script>

script.js

...

  //io.setPath('/client/');
  socket = new io.Socket(null, {
    port: SOCKET_IO_PORT
    ,transports: ['websocket', 'htmlfile', 'xhr-multipart', 'xhr-polling']
    ,path: '/client/'
  });

...

server.js

// at the top of the file, or in a site config file:
var googleAnalyticsSiteId = 'UA-XXXXX-X';

...

// THREE PLACES: 404, 500, index, etc. Consider using a default "locals" object that is extended for each instance.
res.render('VARIOUS TEMPLATES', {locals: {
  ...
  googleAnalyticsSiteId: googleAnalyticsSiteId,
  port: port // only needed for the index.ejs route
}});