HDFS-5255. Distcp job fails with hsftp when https is enabled in insecure cluster.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1528279 13f79535-47bb-0310-9956-ffa450edef68
move HADOOP-9758 to the branch-2.1.2 section

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1528288 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8315. Support SASL-authenticated ZooKeeper in ActiveStandbyElector. Contributed by Todd Lipcon

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1528293 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10012. Secure Oozie jobs fail with delegation token renewal exception in Namenode HA setup. Contributed by Daryn Sharp and Suresh Srinivas.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1528301 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5279. Guard against NullPointerException in NameNode JSP pages before initialization of FSNamesystem. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1528308 13f79535-47bb-0310-9956-ffa450edef68
YARN-1260. Added webapp.http.address to yarn-default.xml so that default install with https enabled doesn't have broken link on NM UI. Contributed by Omkar Vinit Joshi.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1528312 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch: upstream/trunk