A lot of changes related to the capability to fail-over a request to a different node if the node goes down (and we do not notice immediately due to zookeeper delays).
Allow for the scala network client to be configurable directly from Java.
Fail-over bugfixes.
Java compatibility for NettyNetworkServer configuration
Bugfix to deal with non-monotonically increasing partition identifiers in the consistent hash load balancer.
Fixing IntelliJ warnings.