(scripts were executed with system() so e.g. IFS and PATH could be used to
work around any attempt of security...).
Now check that it is not installed setuid root (unless the user insists,
details in manpage), and recommend to put user in group `dialout' or similar
and also make the isdn devices group `dialout'; the scripts can then use
isdnctrl to stop/start stuff.
New toplevel Makefile
added xisdnload, xmonisdn, toplevel config for isdnload
Added new interactive configuration utility using lxdialog.
Some adaptions for existing packages.
Some corrections in man pages.