YARN-1416. Fixed a few invalid transitions in RMApp, RMAppAttempt and in some tests. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1545448 13f79535-47bb-0310-9956-ffa450edef68
YARN-1314. Fixed DistributedShell to not fail with multiple arguments for a shell command separated by spaces. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1545486 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5538. URLConnectionFactory should pick up the SSL related configuration by default. Contributed by Haohui Mai.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1545491 13f79535-47bb-0310-9956-ffa450edef68