ZOOKEEPER-1664. Kerberos auth doesn't work with native platform GSS integration. (Boaz Kelmer via camille) 
  

git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1522029 13f79535-47bb-0310-9956-ffa450edef68
ZOOKEEPER-1750 Handle NIOServerCnxn#toString returning null (Rakesh R via michim)


git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1522079 13f79535-47bb-0310-9956-ffa450edef68