Support old and new Artefact formats
Support old and new Artefact formats

This is so that Content API Artefacts and Panopticon Artefacts,
which are quite different, can both be rendered against this template
whilst we port all slimmer-using apps from Panopticon API to Content API.

robinwhittleton/static,kalleth/static,alphagov/static,robinwhittleton/static,kalleth/static,robinwhittleton/static,tadast/static,tadast/static,kalleth/static,alphagov/static,tadast/static,robinwhittleton/static,alphagov/static,tadast/static,kalleth/static