ZOOKEEPER-1417. investigate differences in client last zxid handling btw c and java clients (thawan via camille)

git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1490358 13f79535-47bb-0310-9956-ffa450edef68
ZOOKEEPER-1714 perl client segfaults if ZOO_READ_ACL_UNSAFE constant is used
  (Botond Hejj via camille)

git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1495522 13f79535-47bb-0310-9956-ffa450edef68
ZOOKEEPER-1719. zkCli.sh, zkServer.sh and zkEnv.sh regression caused by ZOOKEEPER-1663
  (Marshall McMullen via camille)

git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1497830 13f79535-47bb-0310-9956-ffa450edef68
ZOOKEEPER-1413. Use on-disk transaction log for learner sync up (thawan)

git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1497929 13f79535-47bb-0310-9956-ffa450edef68
ZOOKEEPER-1702. ZooKeeper client may write operation packets before receiving successful response to connection request, can cause TCP RST (Chris Nauroth via phunt)

git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1498732 13f79535-47bb-0310-9956-ffa450edef68
 ZOOKEEPER-1629. testTransactionLogCorruption occasionally fails. (shralex via camille)

git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1503045 13f79535-47bb-0310-9956-ffa450edef68
ZOOKEEPER-1629. testTransactionLogCorruption occasionally fails. (shralex via camille)

git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1503101 13f79535-47bb-0310-9956-ffa450edef68