Add SERVICE_IGNORE to documentation
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
Fix stale references to -refresh-interval
Merge pull request #31 from sheldonh/ttl_refresh

Support TTL expiry in etcd and skydns2