Lots of (small) changes by @smichel17 and targeting the newest API thanks to @Jawnnypoo.
Changes:
- Add a new preference to choose how the hardware buttons should be dimmed
- Fix bug where the filter wouldn't automatically turn on/off (#126)
- Updated icons
- The service is now cleaned up when it isn't needed
- Let the notifications show it when Red Moon is paused in a secure app
- Improve logging
- Target new Android API
- Updated translations