guardian/frontend — pull request #5476 by gklopper (2014-08-08 16:28:30+00:00)
Title: Expose the Nav as json

Data scientists want to index this regularly and keep it up to date.

This will not appear on www.theguardian.com, we will just reference it directly
![sections](https://cloud.githubusercontent.com/assets/76709/3859466/e963a108-1f18-11e4-8e50-fc563af811b4.png)