Log Message:
py-geojson: updated to 2.5.0

2.5.0:
- Add "precision" parameter to GeoJSON Object classes with default \ 
precision of 6 (0.1m)
- Fix bug where `map_geometries()` util was not preserving Feature IDs
- Remove `crs` module and features to conform to official WGS84-only GeoJSON spec
- Set up semi-automatic PyPi releases via Travis/Jazzband