HDFS-6868. portmap and nfs3 are documented as hadoop commands instead of hdfs. Contributed by Brandon Li

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1619001 13f79535-47bb-0310-9956-ffa450edef68
YARN-2174. Enable HTTPs for the writer REST API of TimelineServer. Contributed by Zhijie Shen

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1619160 13f79535-47bb-0310-9956-ffa450edef68
YARN-2034. Description for yarn.nodemanager.localizer.cache.target-size-mb is incorrect. Contributed by Chen He


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1619176 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6870. Blocks and INodes could leak for Rename with overwrite flag. Contributed by Yi Liu.

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Merge from trunk to branch

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