2.1. Patch information for Hadoop

Hadoop is based on Apache Hadoop 1.1.2-rc3 and includes the following additional patches da:

HDFS-4122: Reduced the size of log messages.
HADOOP-8832: Added generic service plugin mechanism from HADOOP-5257 to branch-1.
MAPREDUCE-461: Enabled service-plugins for JobTracker.
MAPREDUCE-4838: Added locality, avataar, and workflow information to JobHistory.
MAPREDUCE-4837: Added web-service APIs for JobTracker. These APIs can be used to get information on jobs and component tasks.
BUG FIXES:
- HDFS-4219: Added slive to branch-1.
- HDFS-4180: Updated TestFileCreation for HDFS-4122
- MAPREDUCE-4478: Fixed issue with TaskTracker's heartbeat.
- HDFS-4108: Fixed dfsnodelist to work in secure mode.
- HADOOP-8923: Fixed incorect rendering of the intermediate web user interface page caused when the authentication cookie (SPENGO/custom) expires.
- HADOOP-8164: Added support to handle paths using backslash character as a path separator (for Windows platform only).
HADOOP-9051: Fixed build failure issues for ant test.