HDFS-5642: set up scripts for enhanced hadoop classpath command.
YARN-2328. FairScheduler: Verify update and continuous scheduling threads are stopped when the scheduler is stopped. (kasha)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1614432 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5642: add classpath command implementation.
HDFS-5642: add documentation of new classpath command.
Merge branch 'trunk' into HDFS-5642