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**New features**
- Create new permission Update geom
- Drop support to Django 1.9 and 1.10 versions
- upgrade libraries
**Performances**
- Allow client side caching with systematic revalidation for Layer and JsonList views
- Remove validation of history bar
- Don't bringToFront() every single feature on map
**Minor changes**
- Change serve_attachments get all attachments using generic foreign key
- Load local file in list views
- Geojson float precision settings.
- Can use function style in leaflet
- Save column sort by module
**Bug fixes**
- Fix sort list
- Fix filters after get context
- Fix multi select filters
- Fix BadStatusLine exception
- Fix croped attachments
- Make sure that locateOnLine() tolerance is sufficient to pass Geotrek tests
- Fix points on narrow angles sublines (Leaflet.GeometryUtil)
- Fix tests csv : stringio and encode
- Fix permission paperclip (version 2.2.1)
- Snap better on lines splitted.
- Fix HTTP headers forwarded to convertit
- Fix test permission geom
- Fix crash in log entries view
- Fix makemigrations (disabling of modeltranslation)