Updating google analytics script

Love your script. But Google Analytics gives out the Universal Analytics code by default now. Your script leaves out a few features:
<blockquote>Not all data integrations are supported.
AdSense, DoubleClick, Content Experiments, and Remarketing integration aren’t supported in UA. </blockquote>
Merge pull request #4 from BabbagesCabbages/patch-1

Updating google analytics script