on /pod/data-catalog, also link to the JSON-LD file
The 'format' field isn't an array after all.

After the 1.0 POD schema was finished, the example for 'format' showed it encoded as an array of strings. Some time later it was changed to be a string.
harvesting from data.json: make sure tags are perissible CKAN tag names using ckan.lib.munge.munge_title_to_name
forgot to implement some functions of IFacet which caused errors on group and organization pages
no split for keyword list
replace hardcoded 'harvest' with get_site_user, otherwise
owner_org_validator will fail