YARN-1676. Modified RM HA handling of user-to-group mappings to be available across RM failover by making using of a remote configuration-provider. Contributed by Xuan Gong.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568041 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10343. Change info to debug log in LossyRetryInvocationHandler. Contributed by Arpit Gupta

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568054 13f79535-47bb-0310-9956-ffa450edef68
YARN-1417. Modified RM to generate container-tokens not at creation time, but at allocation time so as to prevent RM
from shelling out containers with expired tokens. Contributed by Omkar Vinit Joshi and Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568060 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5913. Nfs3Utils#getWccAttr() should check attr parameter against null. Contributed by Brandon Li

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568076 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5670. CombineFileRecordReader should report progress when moving to the next file. Contributed by Chen He


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568118 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10249. LdapGroupsMapping should trim ldap password read from file. Contributed by Dilli Armugam.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568164 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5934. New Namenode UI back button doesn't work as expected. Contributed by Travis Thompson

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568165 13f79535-47bb-0310-9956-ffa450edef68
    HDFS-5901

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568168 13f79535-47bb-0310-9956-ffa450edef68
Move Flatten INode hierarchy jiras (HDFS-5531, HDFS-5285, HDFS-5286, HDFS-5537, HDFS-5554, HDFS-5647, HDFS-5632, HDFS-5715, HDFS-5726) to 2.4.0 section in CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568218 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5943. 'dfs.namenode.https-address' property is not loaded from configuration in federation setup. Contributed by Suresh Srinivas.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1568412 13f79535-47bb-0310-9956-ffa450edef68
Merge trunk to HDFS-4685.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-4685@1568497 13f79535-47bb-0310-9956-ffa450edef68