HDFS-6880. Adding tracing to DataNode data transfer protocol (iwasakims via cmccabe)
HADOOP-11055. non-daemon pid files are missing (aw)
HDFS-7006. Test encryption zones with KMS. (Anthony Young-Garner and tucu)
CHANGES.txt generator initial commit
changes.py output cleanup. sort of.
adding my quick 'n dirty CHANGES.TXT parser to see if a JIRA had been previously committed.
changes.py now builds fairly realistic CHANGES.TXT files.