Remove feedback, now in update.py gui
update.py: fix dialog title
Large bugfix related to cli commands

Move some functions needed elsewhare from lpbs to lpbs-defs.
Kill the feedback framework, not required anymore. various
fixes
Moving sudo_kill_pgroup to external script

Allows update.py to access script.
defs: bugfix
update: Handle already updated packages better
renaming to lpf
Default buildlog argument, README fix