Update related template to work with a plain hash
Update related template to work with a plain hash

Necessary to work with slimmer 2.0.  Will be backwards compatible with
slimmer 1.x as it uses a GdsApi::Response which behaves like a hash.

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