HDFS-4626. ClientProtocol#getLinkTarget should throw an exception for non-symlink and non-existent paths.  (Andrew Wang via cmccabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1493980 13f79535-47bb-0310-9956-ffa450edef68
YARN-805. Fix javadoc and annotations on classes in the yarn-api package. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1493992 13f79535-47bb-0310-9956-ffa450edef68
YARN-834. Fixed annotations for yarn-client module, reorganized packages and clearly differentiated *Async apis. Contributed by Arun C Murthy and Zhijie Shen.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494017 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4818. Several HDFS tests that attempt to make directories unusable do not work correctly on Windows. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494023 13f79535-47bb-0310-9956-ffa450edef68
YARN-840. Moved ProtoUtils to yarn.api.records.pb.impl. Contributed by Jian He.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494027 13f79535-47bb-0310-9956-ffa450edef68
YARN-841. Move Auxiliary service to yarn-api, annotate and document it. Contributed by Vinod Kumar Vavilapalli.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494031 13f79535-47bb-0310-9956-ffa450edef68
YARN-799. Fix CgroupsLCEResourcesHandler to use /tasks instead of /cgroup.procs. Contributed by Chris Riccomini.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494035 13f79535-47bb-0310-9956-ffa450edef68
YARN-846.  Move pb Impl classes from yarn-api to yarn-common. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494052 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5316. job -list-attempt-ids command does not handle illegal task-state. Contributed by Ashwin Shankar


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494285 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4906. HDFS Output streams should not accept writes after being closed. Contributed by Aaron T. Myers.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494303 13f79535-47bb-0310-9956-ffa450edef68
YARN-850. Rename getClusterAvailableResources to getAvailableResources in AMRMClients (Jian He via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494309 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9582. Non-existent file to "hadoop fs -conf" doesn't throw error. Contributed by Ashwin Shankar


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494331 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9637. Adding Native Fstat for Windows as needed by YARN. Contributed by Chuan Liu.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494341 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9624. TestFSMainOperationsLocalFileSystem failed when the Hadoop test root path has "X" in its name. Contributed by Xi Fang.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494363 13f79535-47bb-0310-9956-ffa450edef68
YARN-694. Starting to use NMTokens to authenticate all communication with NodeManagers. Contributed by Omkar Vinit Joshi.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494369 13f79535-47bb-0310-9956-ffa450edef68
YARN-848. Fix NodeManager to register with RM using the fully qualified hostname. Contributed by Hitesh Shah.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494385 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4461.  DirectoryScanner: volume prefix takes up memory for every block that is scanned (Colin Patrick McCabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494401 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5194. Heed interrupts during Fetcher shutdown.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494416 13f79535-47bb-0310-9956-ffa450edef68
Move jiras to the right section in CHANGES.txt and make it consistent with branch-2

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494429 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4917. Start-dfs.sh cannot pass the parameters correctly. Contributed by Fengdong Yu.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494433 13f79535-47bb-0310-9956-ffa450edef68