Adding oracle port to configuration. Fixes #27
Adding default oracle port
Fixes #15 Initial implementation of CuratorFramework in place of standard Zookeeper client library
Fixes #15 Adding leadership selector to client and server. Tests pass
Fixes #15 Oracle client should reconnect upon new lead being selected
Updating zookeeper version. Fixes #28
Initial integration test to verify that a timestamp does not go backwards when an oracle server fails.

There's still some edge cases to work out and some cleanup needed.