MAPREDUCE-3251. Network ACLs can prevent some clients to talk to MR ApplicationMaster. (Anupam Seth via mahadev) - Merging r1214662 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1214664 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-3560. TestRMNodeTransitions is failing on trunk. (Siddharth Seth via mahadev) - Merging r1214668 from trunk.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1214669 13f79535-47bb-0310-9956-ffa450edef68
Merge -r 1214789:1214790 from trunk to branch. FIXES: HADOOP-7917

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1214792 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-3487. Fixed JobHistory web-UI to display links to single task's counters' page. Contributed by Jason Lowe.
svn merge -c 1215016 --ignore-ancestry ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1215017 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-3564. Fixed failures in TestStagingCleanup and TestJobEndNotifier tests. Contributed by Siddharth Seth.
svn merge -c 1215022 --ignore-ancestry ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1215023 13f79535-47bb-0310-9956-ffa450edef68
merge MAPREDUCE-3422 from trunk


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1215032 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-3366. Mapreduce component should use consistent directory structure layout as HDFS/common (Eric Yang via mahadev) - Merging r1215065 from trunk

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1215066 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-3387. Fixed AM's tracking URL to always go through the proxy, even before the job started, so that it works properly with oozie throughout the job execution. Contributed by Robert Joseph Evans.
svn merge -c 1215345 --ignore-ancestry ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1215347 13f79535-47bb-0310-9956-ffa450edef68
Merge -r 1215353:1215354 from trunk to branch-0.23. Fixes: HDFS-2640.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1215355 13f79535-47bb-0310-9956-ffa450edef68
Merge -r 1213970:1213971 from trunk to branch-0.23. Fixes: MAPREDUCE-3542.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1215360 13f79535-47bb-0310-9956-ffa450edef68
merge MAPREDUCE-3579

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1215534 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-7657. Add support for LZ4 compression. Contributed by Binglin Chang.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1220312 13f79535-47bb-0310-9956-ffa450edef68
Amend previous commit of HADOOP-7657 (LZ4 compression). Fix a mistaken #include


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1220313 13f79535-47bb-0310-9956-ffa450edef68
HDFS-2553. Fix BlockPoolSliceScanner spinning in a tight loop. Contributed by Uma Maheswara Rao G.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1220316 13f79535-47bb-0310-9956-ffa450edef68
HDFS-2335. svn merge -c 1220510 from trunk


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1220513 13f79535-47bb-0310-9956-ffa450edef68
Merge -r 1220809:1220810 from trunk to branch. FIXES: HDFS-2658

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1220814 13f79535-47bb-0310-9956-ffa450edef68
Merge -c 1220996 from trunk to branch-0.23 to fix MAPREDUCE-3563.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1220997 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1221106 from trunk for HDFS-2706.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1221107 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-7837. svn merge -c 1221348 from trunk


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1221350 13f79535-47bb-0310-9956-ffa450edef68
Merge -c 1221501 from trunk to branch-0.23 to fix MAPREDUCE-3376.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1221502 13f79535-47bb-0310-9956-ffa450edef68