manage_sudo.sh: moved essential configuration items of the script into a
separate configuration file (global/local), fix in wait_for_children
(VRF 1.2.0) [Patrick Van der Veken]
update_sudo.pl: VRF 1.1.0: replace uname/hostname syscalls, now support
for FQDN via $use_fqdn, other fixes [Patrick Van der Veken]
Other fixes and cleanups