CUL-DigitalServices/avocet-ui — pull request #278 by ucamhal (2014-07-31 13:02:50+00:00)
Title: Add Google Analytics tracking

We track:
* Button clicks
* External link clicks
* Addendum download links
* Form validation errors
* File upload drag drop vs browse
* File upload timing
* File upload errors
* Modals being opened
* Which upload link was used to get to upload page
* (Virtual) pageview for second upload form stage
* Logged in status as a dimension