revert pull req-9
HADOOP_11203: Allow distcp to accept the max bandwidth value in fraction of MBs
update the SLEEP_TIME_MS counter to know how much time it was idle
add bandwidth counter and fix review comments
change the log statement
Merge pull request #19 from rajubairishetti/HADOOP-11203

Hadoop 11203: Allow Distcp to accept max bandwidth value in faction of MBs