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.
Updating
Fixes #27. OracleClient should now fail over to back up oracles.
Fixing formatting of pom
Still fixing pom formatting
Fixing formatting of core pom
Fixes #15 Adding some light documentation
Fixes #15. Sometimes the failover test for OracleIT has unexpected results
Added some leadership sanity checks to the Oracle