idevicebackup2: allow setting encryption on/off and change backup password
idevicebackup2: allow setting encryption on/off and change backup password

libimobiledevice-win32/libimobiledevice,upbit/libimobiledevice,Tatsh/libimobiledevice,kalev/libimobiledevice,kalev/libimobiledevice,libimobiledevice-win32/libimobiledevice,libimobiledevice-win32/libimobiledevice,patweb/libimobiledevice,Tatsh/libimobiledevice,libimobiledevice/libimobiledevice,upbit/libimobiledevice,libimobiledevice/libimobiledevice,patweb/libimobiledevice,Tatsh/libimobiledevice,libimobiledevice-win32/libimobiledevice,Tatsh/libimobiledevice,kalev/libimobiledevice,patweb/libimobiledevice,upbit/libimobiledevice