v2.15:
fix wallpaper not changable after
restoring the settings including the wallpaper
v2.10:
-) Backup and restore google accounts
(also others if the belonging app is installed)
-) Fix scheduling
-) Fix restoring the settings on Android
6.0
-) Fix day of week chooser
-) Fix Directory-Chooser
-) Save chosen ROM by default and use it
for scheduling
-) Fix themes in some sections
-) Many other fixes and
improvements