New python-dns package

Signed-off-by: Denis Shulyaka <Shulyaka@gmail.com>
mailman: New mailman package (mailing list manager)

Signed-off-by: Denis Shulyaka <Shulyaka@gmail.com>
dump1090: remove interactive options, hardcode quiet and add respawn config.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
shairplay: add respawn config.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
udpxy: rework init script and add disabled/respawn configs.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Merge pull request #472 from Shulyaka/dnspython

python-dns: New python-dns package
Merge pull request #473 from Shulyaka/mailman

mailman: New mailman package (mailing list manager)