Merge pull request #3 from linkedin/tworboys-branch

Remove Need for Instance Configs By Searching by URL
Fixing the race condition when we restart after SIGKILL
Expose duplicatesOk as config and change Future in APIs to FutureListener
Bumping the version up
Hooking up FutureAdapterListener to multiple places
Bumping up the version
Adding the md5 hash functions from javacompat to the ones from scala, as
well as fixing a bug in SimpleConsistentLoadBalancer where it didn't
create replicas when it appeared to intend to