Reorganize upstream source tree

without modifying any file.
Remove Debian stuff from upstream branch.
Merge pull request #1 from pini-gh/upstream

Réorganisation arborescence pour paquet source Debian
Exec permission for CTparental.sh.
Use iptables to differentiate priviledged users
Move Debian stuff into proper place.
Merge branch 'master' into debian
Source package.
Merge branch 'master' into debian
Upstream patch 3.83+pini1: +iptables, -resolvconf
Merge pull request #3 from pini-gh/debian

Branche 'debian'