show progress display during "adb shell nandroid backup/restore" commands
do not print "press back to cancel" during 'adb shell nandroid' commands
nandroid: disable prompt on low space when ui isn't initialized

This will enable backup on low space (with a warning) on 'adb shell nandroid' commands
simpler logging

we no longer need this debugging code
limit logging to console in adb shell nandroid and mount commands
formatting
nandroid restore: fix progress bar animation when md5 verify is enabled
6.44.7 / libtouch_gui 1.23