Merge branch 'quiet-netty-client-exceptions' into improve-logging-for-vnode
More logging cleanup

* Ensure client connection refused messages are shorter in the logs.
* Make all node log messages have the host and port prefix
Prevent claims to follower vnodes

If a vnode has recently lost its leadership, the node queue may have IDs that
are no longer relevant.

This adds a check to skip any task that belongs to a vnode where this node
isn't the leader.
Merge branch 'prevent-claims-to-follower-vnodes' into travis-random-testing
Merge branch 'improve-logging-for-vnode' into travis-random-testing