Add option to increase max password length to 40 instead of default 16
Renew sdk target and manifest
Add in missing icons for hdpi and mdpi
Merge branch 'feature/longerpasswords' into develop
Change note text at the bottom of the screen
Bug: the length of the password is not the same as the desktop version when the min and max settings are not the same.

This is related to passing the wrong "expand" parameter to the password generator.
The desktop version uses 64, but this version used 8. Now expand parameter is not accessible to prevent wrong usage again.