HDFS-5543. Fix narrow race condition in TestPathBasedCacheRequests (cmccabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1544310 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5288. Close idle connections in portmap. Contributed by Haohui Mai

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1544352 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5407. Fix typos in DFSClientCache. Contributed by Haohui Mai

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1544362 13f79535-47bb-0310-9956-ffa450edef68
YARN-1320. Fixed Distributed Shell application to respect custom log4j properties file. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1544364 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5285. Flatten INodeFile hierarchy: Replace INodeFileUnderConstruction and INodeFileUnderConstructionWithSnapshot with FileUnderContructionFeature.  Contributed by jing9


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1544389 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5544. Adding Test case For Checking dfs.checksum.type as NULL value. Contributed by Sathish.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1544596 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5552. Fix wrong information of Cluster summay in dfshealth.html. Contributed by Haohui Mai.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1544627 13f79535-47bb-0310-9956-ffa450edef68
Move HDFS-5444 and HDFS-5525 to branch 2.3.0 section in CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1544631 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5542. Fix TODO and clean up the code in HDFS-2832. (Contributed by szetszwo)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-2832@1544664 13f79535-47bb-0310-9956-ffa450edef68
Merging r1544304 through r1544665 from trunk to branch HDFS-2832

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-2832@1544672 13f79535-47bb-0310-9956-ffa450edef68