tjfontaine/native-dns-packet — pull request #4 by mash (2014-03-26 04:31:52+00:00)
Title: be able to send questions with a mDNS unicast response bit set.

see http://tools.ietf.org/html/rfc6762#section-5.4

ex:
```
var question = {
type : dns.consts.NAME_TO_QTYPE['A'],
class : dns.consts.NAME_TO_QCLASS.IN_UNICASTMDNS,
name : name + ".local"
};
```