ZOOKEEPER-1796. Move common code from {Follower, Observer}ZooKeeperServer into LearnerZooKeeperServer (Raul Gutierrez Segales via michim)


git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1579888 13f79535-47bb-0310-9956-ffa450edef68
ZOOKEEPER-602. log all exceptions not caught by ZK threads (Rakesh R via michim)


git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1580436 13f79535-47bb-0310-9956-ffa450edef68
ZOOKEEPER-1901. [JDK8] Sort children for comparison in AsyncOps tests (Andrew Purtell via michim)


git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1580612 13f79535-47bb-0310-9956-ffa450edef68
Apply ZOOKEEPER-1891.

https://issues.apache.org/jira/secure/attachment/12634073/ZOOKEEPER-1891.patch
Apply ZOOKEEPER-1892.patch.

https://issues.apache.org/jira/secure/attachment/12634331/ZOOKEEPER-1892.patch
Apply ZOOKEEPER-1870.patch.

https://issues.apache.org/jira/secure/attachment/12635000/ZOOKEEPER-1870.patch
add a class for getting hostname.