compute centroids for entity geometries
compute centroids for entity geometries

https://trello.com/c/kjshFw58/34-datastore-bug-not-computing-centroids-for-entity-geometry

transitland/transitland-datastore,transitland/transitland-datastore,brechtvdv/transitland-datastore,transitland/transitland-datastore,brechtvdv/transitland-datastore,brechtvdv/transitland-datastore