Stab at some basic analysis of the History object
oerge branch 'master' of github.com:guardian/frontend
A switch for the js error beacon
Revert "Stab at some basic analysis of the History object"

This reverts commit 8c01e77fe0a63b38f1dcabcea11ca75faeb1de61.
Merge pull request #2196 from guardian/js-beacon-switch

JS beacon switch