Add k.h.d.entities/get-entities-having-location.
Add boilerplate for property_map.
further js/css gymnastics.
Incorporate @annapawlicka comments.
add stub view link.
Improve address formatting.
Use @otfrom shiny address slugs.
Merge pull request #144 from MastodonC/feature/map-of-ALL-properties

Add a map showing all properties.