v3.0.0:
- Refactoring of underlying code basis
- Allow editing of saved scenes
- Stay on page with scenes when a scene is selected
  -> allows quick changing between different scenes.
- Scenes page has now a play-button and visualizes playing
- Changing between scenes-page and metronome-page
  supports swiping

v3.1.0
- Add Polish translations (thanks to econo202).
- Allow direct sharing of saved scenes.
