Add new files missed from HADOOP-8860 commit.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1408288 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4751. AM stuck in KILL_WAIT for days (vinodkv via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1408314 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4787. TestJobMonitorAndPrint is broken (Rob Parker via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1408355 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4425. Speculation + Fetch failures can lead to a hung job (jlowe via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1408360 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4172. namenode does not URI-encode parameters when building URI for datanode request (Derek Dagit via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1408401 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4786. Job End Notification retry interval is 5 milliseconds by default (Ravi Prakash via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1408444 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9021. Enforce configured SASL method on the server (daryn via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1408473 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4164. fuse_dfs: add -lrt to the compiler command line on Linux. Contributed by Colin Patrick McCabe


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1408477 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9022. Hadoop distcp tool fails to copy file if -m 0 specified (Jonathan Eagles vai bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1408488 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3921. NN will prematurely consider blocks missing when entering active state while still in safe mode. Contributed by Aaron T. Myers.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1408531 13f79535-47bb-0310-9956-ffa450edef68
HDFS-1322. Document umask in DistributedFileSystem#mkdirs javadocs. Contributed by Colin Patrick McCabe


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1408532 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9025. org.apache.hadoop.tools.TestCopyListing failing. Contributed by Jonathan Eagles


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1408604 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4181.  LeaseManager tries to double remove and prints extra messages (Kihwal Lee via daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1408779 13f79535-47bb-0310-9956-ffa450edef68
YARN-212. NM state machine ignores an APPLICATION_CONTAINER_FINISHED event when it shouldn't. Contributed by Nathan Roberts


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1408812 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8999. SASL negotiation is flawed (daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1408837 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4517. Too many INFO messages written out during AM to RM heartbeat (Jason Lowe via tgraves)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1409032 13f79535-47bb-0310-9956-ffa450edef68
Moving HDFS-4106 to Release 2.0.3 section in CHANGES.txt.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1409038 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4038. Override toString() for BookKeeperEditLogInputStream. Contributed by Vinay.



git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1409071 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4171. WebHDFS and HttpFs should accept only valid Unix user names. (tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1409087 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4139. fuse-dfs RO mode still allows file truncation. Contributed by Colin Patrick McCabe


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1409088 13f79535-47bb-0310-9956-ffa450edef68