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
and now the linux_amd64 binary, not the darwin one
Add SERVICE_IGNORE to documentation
pulled out consul for now
and rebuild binary
added some code style suggestions
merged upstream
Add TTL refresh (for etcd and skydns2)
Document TTL expiry
Rebuild
README.md: combined sentance fragments
Merge pull request #36 from dminkovsky/fragments-in-readme

README.md: combined sentance fragments
Merge pull request #27 from sstarcher/patch-1

Add SERVICE_IGNORE to documentation
took out HostName for now
Specify port explicitly in etcd/skydns2 URIs.
Fix stale references to -refresh-interval
Merge pull request #31 from sheldonh/ttl_refresh

Support TTL expiry in etcd and skydns2
Fix non-ttl case