MAPREDUCE-4921. JobClient should acquire HS token with RM principal (Daryn Sharp via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1433469 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4399. precommit release audit warnings (tgraves)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1433476 13f79535-47bb-0310-9956-ffa450edef68