TEZ-636. NPE in ExampleDriver.printDAGStatus(). (hitesh)
TEZ-631. [MR Support] Some mappers/reducers require TaskAttemptID to be present in JobConf. (hitesh)
TEZ-598. ShuffleHandler should handle invalid headers correctly. (sseth)
TEZ-616. Addendum patch for OrderedWordCount with -generateSplitsInClient true throws NPE. (hitesh)
TEZ-622. Failures in DelayedContainerManager can cause the AM to hang. (hitesh)