MAPREDUCE-5446. TestJobHistoryEvents and TestJobHistoryParsing have race conditions. Contributed by Jason Lowe.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1510581 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5367. Local jobs all use same local working directory (Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1510610 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5061. Make FSNameSystem#auditLoggers an unmodifiable list. Contributed by Arpit Agarwal.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1510611 13f79535-47bb-0310-9956-ffa450edef68
move HDFS-4659,HDFS-4762,HDFS-4948 to the right section in hadoop-hdfs/CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1510658 13f79535-47bb-0310-9956-ffa450edef68
move HADOOP-9806,HDFS-5043,HDFS-4962 to the right section in CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1510675 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4366. Block Replication Policy Implementation May Skip Higher-Priority Blocks for Lower-Priority Blocks. Contributed by Derek Dagit.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1510724 13f79535-47bb-0310-9956-ffa450edef68
Fix CHANGES.txt. Move HDFS-4366 from 2.3.0 to under 3.0.0.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1510727 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9319. Update bundled LZ4 source to r99. (Binglin Chang via llu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1510734 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch upstream/$:{upbranch}