Allow no-delete runs of clear_dataset script
Update cli tools to expect geojson when uploading
More template helpers
- Update group_by helpers to use a key function if provided
- Add a sort_by helper for iterable contexts
- Add arbitrary-length conjunction (if_all) and disjunction (if_any) helpers
Update the nicer comments summary template
- Show new places and new comments
- Update the with_place helper to take the URL of a place