Merge pull request #4 from ehaselwanter/master

one folder level up
bugfix: arp restrictions should apply to all, not just eth0

Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
Merge pull request #5 from TelekomLabs/bugfix/arp

bugfix: arp restrictions should apply to all, not just eth0
moved site.pp to the shared test, were it belongs