making allow and deny interfaces configurable via attrs
making ipv4 and ipv6 configurable via attrs
making hostname configurable via attrs
making browse domains configurable via attrs
adding test-kitchen
adding immediacy to avahi publish notifications

without this, alias ping test does not pass
Merge pull request #2 from needle-cookbooks/test-kitchen

Add test-kitchen, make a number of avahi-daemon settings configurable via attrs