2.1. Patch Information for Hadoop

Hadoop is based on Apache Hadoop 2.0.3 and includes the following additional patches:

HDFS-4541: Set hadoop.log.dir and hadoop.id.str when starting secure DataNode to write the logs to correct directory by default.
YARN-429: Added missing Capacity Scheduler configurations to yarn-test artifact.
HDFS-4540: Fixed Namenode HTTP server to use the web authentication keytab for spnego principal.