improved test for 'is_init_running'
change IP address after reconfiguration and redirect to new URL
display a warning after reconfiguration of IP address
log warning, if config partition could not be unmounted
actions 'reboot' and 'poweroff' are now handled by 'cbox-manage.sh'
reboot and shutdown via "at"
remove some packages for development systems
set default runlevel to 3
export some environment settings (LANG and TERM) for "chroot"
is_init_running migrated to "at"