tree 351b57c85e5d9247c70c6d1f04dee22c1acd821e
parent 19f994a37c25f9f5aa58e463d498d4bef4490468
author David Why Use Two When One Will Do Presotto <p@google.com> 1439229547 -0700
committer David Why Use Two When One Will Do Presotto <p@google.com> 1439229547 -0700

mdns: change NewMDNS to

1) allow no hostname to be truly anonymous.
2) make sure a hostname isn't already in use and return an error if it is
3) allow the caller to specify the host name as "hostname()".  The "()"
  will be turned into "(lexically highest mac address)".

TBR:

Change-Id: If0e6c7faf54fc0acb74e29cdb06e8e723dba220d