Don't export private methods
Rebuild
Merge pull request #30 from sheldonh/skydns2_private_methods

Skydns2 private methods
Add TTL refresh (for etcd and skydns2)
Document TTL expiry
Rebuild
Adding support for internal ip/port usage.

This patch adds support for using -internal to register docker0
internal ip and port settings, instead of using the docker host
mapped ones.
Updated the README.md to reflect changes
added the binary
added some code style suggestions
Keep the -internal concern inside NewService()