zk1931/jzab — pull request #185 by m1ch1 (2014-11-03 00:53:46+00:00)
Title: Netty: Close incoming connection on clear()

Explicitly close the incoming connection in the following 2 cases to satisfy
the 'single iteration' property of zab channel:

1. Outgoing connection got closed.
2. Application called Transport.clear().