This puts the data configuration in a dedicated file,
and allows for separately allowing/disallowing editing and verification
for each field, as well as specifying PSQL types to cast to on inserting
* Add subtle border for age layer buildings
* Simplify map data queries
* Fix typo in updated construction layer query
* Enable data tile caching switch for development
* Enable turning tile cache off
* Use render time variables for highlight tiles
* Create building numbers map layer
* Create database view for simpler map queries
* Decrease min zoom for numbers layer
* Add building outlines to all map layers
* Adjust building numbers style and zoom level
* Revert "Create database view for simpler map queries"
This reverts commit e3c342cb7393f491c838df5654c2316a9dab08e1
which cannot be implemented before upgrading Postgres to min v11
