Should be update to reflect https://github.com/h5bp/html5-boilerplate/pull/1396/files#L1R8

```javascript
(function(b,o,i,l,e,r){b.GoogleAnalyticsObject=l;b[l]||(b[l]=
function(){(b[l].q=b[l].q||[]).push(arguments)});b[l].l=+new Date;
e=o.createElement(i);r=o.getElementsByTagName(i)[0];
e.src='//www.google-analytics.com/analytics.js';
r.parentNode.insertBefore(e,r)}(window,document,'script','ga'));
ga('create','UA-XXXXX-X');
ga('send','pageview');
```

Inserting related blocks (`block body_js_analytics_extra`, `block body_js_analytics_track`), variables (`bp_analytics_id`, `bp_analytics_domain`) and if conditions (`if bp_analytics_domain|default(none)`) properly...