(cherry picked from commit 33a412e8a4ab729d588a9576fb7eb90239c6e383) Conflicts: hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
DistCp (distributed copy) is a tool used for large inter/intra-cluster copying. It uses Map/Reduce to effect its distribution, error handling and recovery, and reporting. It expands a list of files and directories into input to map tasks, each of which will copy a partition of the files specified in the source list. Version 0.1 (2010/08/02 sriksun) - Initial Version