MAPREDUCE-4846. Some JobQueueInfo methods are public in MR1 but protected in MR2. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1448597 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5013. mapred.JobStatus compatibility: MR2 missing constructors from MR1. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1448602 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4951. Container preemption interpreted as task failure. Contributed by Sandy Ryza.

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Merge remote branch 'origin/trunk' into trunk-gd
HDFS-4482. ReplicationMonitor thread can exit with NPE due to the race between delete and replication of same file. Contributed by Uma Maheswara Rao G.



git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1448708 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
amendment to HADOOP-9112 fix return codes (Surenkumar Nihalani via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1448745 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
HDFS-4222. NN is unresponsive and loses heartbeats from DNs when configured to use LDAP and LDAP has issues. Contributed by Xiaobo Peng and Suresh Srinivas.

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Merge remote branch 'origin/trunk' into trunk-gd
maven surefire version incremented to 2.12.3-GD-02
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-215-trunk-gd