output
added two new help-steps prevent-daemons-from-starting and unprevent-daemons-from-starting,
because the (un)chroot are ignored for bare-metal and preventing daemons from starting is
still recommend for bare-metal.
whonixcheck, timesync:
- bugfix: will now kill the process, if the cancel button in zenity is pressed

whonixcheck:
- added --minimal switch for debugging
fewer debug steps
build-steps/1900_run-chroot-scripts-pre-d: fix