Bug fixes and translation expansion over 1.5.0-alpha01

Full changelog for 1.5.0:
New features:
- The Stats screen now contains the data for the past year
- Charts now have fading edges to indicate scrollable content

Fixes:
- Improved Stats screen performance
- Notification now does not pop up on your screen
- Fixed low contrast on the Timer screen heading
- Improve app usability on smaller screens

Expanded translations