HADOOP-9935. set junit dependency to test scope. Contributed by André Kelpe.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1523403 13f79535-47bb-0310-9956-ffa450edef68
YARN-1137. Add support whitelist for system users to Yarn container-executor.c. (rvs via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1523587 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9961. versions of a few transitive dependencies diverged between hadoop subprojects. (rvs via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1523596 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9962. in order to avoid dependency divergence within Hadoop itself lets enable DependencyConvergence. (rvs via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1523599 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5379. Include token tracking ids in jobconf. (kkambatl via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1523605 13f79535-47bb-0310-9956-ffa450edef68
YARN-1170. YARN & MapReduce proto definitions fixed to specify protobuf package as hadoop.yarn and hadoop.mapreduce respectively. Contibuted by Binglin Chang.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1523652 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5493. Cleanup in-memory & on-disk segments to prevent leak on shuffle completion. Contributed by Jason Lowe.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1523660 13f79535-47bb-0310-9956-ffa450edef68
YARN-1027. Implement RMHAProtocolService (Karthik Kambatla via bikas)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1523750 13f79535-47bb-0310-9956-ffa450edef68
Merging r1523402 through r1523803 from trunk to branch HDFS-2832

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-2832@1523804 13f79535-47bb-0310-9956-ffa450edef68