svn merge -c -1366601 for reverting HDFS-3667.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1367407 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4375. Show Configuration Tracability in MR UI (bobby via tgraves)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1367539 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4456. LocalDistributedCacheManager can get an ArrayIndexOutOfBounds when creating symlinks (Robert Evans via tgraves)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1367581 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4496. AM logs link is missing user name (Jason Lowe via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1367601 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8637. FilterFileSystem#setWriteChecksum is broken (daryn via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1367702 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4493. Distibuted Cache Compatability Issues (Robert Evans via tgraves)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1367713 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4492. Configuring total queue capacity between 100.5 and 99.5 at perticular level is sucessfull (Mayank Bansal via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1367719 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4483. 2.0 build does not work (John George via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1367726 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8370. Native build failure: javah: class file for org.apache.hadoop.classification.InterfaceAudience not found  (Trevor Robinson via tgraves)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1367764 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4457. mr job invalid transition TA_TOO_MANY_FETCH_FAILURE at FAILED  (Robert Evans via tgraves)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1367771 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4444. nodemanager fails to start when one of the local-dirs is  bad (Jason Lowe via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1367783 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4234. SortValidator.java is incompatible with multi-user or parallel use (due to a /tmp file with static name) (Robert Evans via jeagles)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1367789 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3667.  Add retry support to WebHdfsFileSystem.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1367841 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3738. TestDFSClientRetries#testFailuresArePerOperation sets incorrect timeout config. Contributed by Aaron T. Myers.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1367844 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8633. Interrupted FsShell copies may leave tmp files (Daryn Sharp via tgraves)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1368002 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8620. Add -Drequire.fuse and -Drequire.snappy. Contributed by Colin Patrick McCabe


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1368251 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8480. The native build should honor -DskipTests. Contributed by Colin Patrick McCabe


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1368257 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4504. SortValidator writes to wrong directory (Robert Evans via tgraves)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1368294 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3513. HttpFS should cache filesystems. (tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1368304 13f79535-47bb-0310-9956-ffa450edef68
HDFS-3724. add InterfaceAudience annotations to HttpFS classes and making inner enum static. (tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1368308 13f79535-47bb-0310-9956-ffa450edef68