HDFS-2976. Move attribution to release 2.6.0 section in CHANGES.txt.

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HADOOP-8158. Move attribution to release 2.6.0 section in CHANGES.txt.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1609854 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3851. Move attribution to release 2.6.0 section in CHANGES.txt.

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HADOOP-10736. Add key attributes to the key shell. Contributed by Mike Yoder.

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YARN-2274. FairScheduler: Add debug information about cluster capacity, availability and reservations. (kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1609942 13f79535-47bb-0310-9956-ffa450edef68
YARN-2248. Implement application movement between queues in CapacityScheduler