3.6.0 RC1 (March, 27, 2019)

- remove "expert mode"
- show warning if server is unavailable
- delete notification on server
- actions in notifications
- add storage path chooser for local file picker
- show shared user
- show notes on sharing
- min supported server is NC12
- warn on outdated server: <=NC14

For a full list, please see https://github.com/nextcloud/android/milestone/30
