Night Mode - Blue Light Filter

Jan 27, 2017

- Initial release.
Changes since beta 2:
- Updated help screen.
- Help screen is shown on first start.
- Updated translations.
Bugfixes since beta 2:
- Fixed bug caused filter to be displayed permanently.
- Fixed bugs with scheduling start/stop of night mode.
- Fixed notification disappearing.
- Faster night mode startup on slower devices.
- Fixed double click on play button wrong behavior.
- Few other bug fixes.