svn merge -c 1591030 FIXES: YARN-738. TestClientRMTokens is failing irregularly while running all yarn tests. Contributed by Ming Ma


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1591031 13f79535-47bb-0310-9956-ffa450edef68
Move the changelist of HDFS-5892 fro 2.4.0 to 2.5.0.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1591032 13f79535-47bb-0310-9956-ffa450edef68