1. The new version has a new live wallpaper function, which effectively solves the problem that the wallpaper cannot be updated automatically.
2. New setting and intro ui.
3. Remove Pixabay and daemon service function.
4. Add Bulgarian translation, thanks to Trifon Ribnishki.
5. Add Slovak translation, thanks to foreteller.
6. Update Czech and German translation.
7. Fix some problem.