Preparing for bug-fix 2.0.4-alpha release.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1453886 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4560. Webhdfs cannot use tokens obtained by another user (daryn)



git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1453955 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9374. Add tokens from -tokenCacheFile into UGI (daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454019 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4546. Use DFSUtil.getSpnegoKeytabKey() to get the spnego keytab key in secondary namenode and namenode http server. Contributed by Arpit Agarwal.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454021 13f79535-47bb-0310-9956-ffa450edef68
Change the jira number of commit 1454021 to HDFS-4565. Attribute it to the right contributor, Arpit Gupta

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454027 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4566. Webdhfs token cancelation should use authentication (daryn)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454059 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9364. PathData#expandAsGlob does not return correct results for absolute paths on Windows. Contributed by Ivan Mitic.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454108 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5023. History Server Web Services missing Job Counters (Ravi Prakash via tgraves)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454156 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9369. DNS#reverseDns() can return hostname with . appended at the end. Contributed by Karthik Kambatla.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454172 13f79535-47bb-0310-9956-ffa450edef68
Move CHANGES.txt entry for HADOOP-9369 to the correct place.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454174 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4569. Small image transfer related cleanups. Contributed by Andrew Wang.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454233 13f79535-47bb-0310-9956-ffa450edef68
YARN-443. allow OS scheduling priority of NM to be different than the containers it launches (tgraves)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454411 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4567. Webhdfs does not need a token for token operations. Contributed by Daryn Sharp.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454460 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4571. WebHDFS should not set the service hostname on the server side. (tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454475 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4577. Webhdfs operations should declare if authentication is required. Contributed by Daryn Sharp.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1454517 13f79535-47bb-0310-9956-ffa450edef68