ZOOKEEPER-827. enable r/o mode in C client library (rgs via fpj)



git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1608620 13f79535-47bb-0310-9956-ffa450edef68
ZOOKEEPER-1810. Add version to FLE notifications for trunk Germán Blanco via michim)


git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1608648 13f79535-47bb-0310-9956-ffa450edef68
ZOOKEEPER-1222. getACL should only call DataTree.copyStat when passed in stat is not null (Michi Mutsuzaki via rakeshr)

git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1608872 13f79535-47bb-0310-9956-ffa450edef68