Clean-up extracting notify's data and fix minor issues
[Option] Hide on touch outside
[Fix] Setting 'Only in fullscreen' overwrites master-switch variable
Remove 'Hide on back press' code
[Fix][Clean-up] Interactivity blocking passes touch on notification
[Fix] App uses wrong Theme on tablets
Update strings of Priority setting to make it easier to understand for end users
Change default value of 'Hide on touch outside' to FALSE
[Option] Don't show above certain apps
Get rid of initializing notifications list, since we don't need it
Add missing GET_TASKS permission