Kodi 17.0 RC 4

- Update Estuary and Estouchy with some bugfixes and improvements.
- Fix Kodi not starting on some phones running Android 7.
- Revert changes that disabled plugin listing cache that which caused reduced browsing speed.
- Fix the cause of favourites not refreshing.
- Fix add-ons not being added to favourites if done through add-on manager.
- Update our default webinterface Chorus2 with several fixes and features.
- Fix possible deadlock when installing/uninstalling PVR add-ons.
- Fix possible failed add-on installs on Windows with a retry.
- Fix changing song ratings.
- Make sure to stop playback before uninstalling a PVR add-on.
- Try to handle graphics failures due to bad graphics driver on Windows.
- Fix long timeout for certain audio streams.