TEZ-700. Helper API's to monitor a DAG to completion (Mohammad Kamrul Islam via bikas)
TEZ-708. Add a LocalTaskScheduler for use in Local mode. Contributed by
Jonathan Eagles.
TEZ-695. Create Abstract class for Input/Processor/Output (Mohammad Kamrul Islam via bikas)
Revert "TEZ-695. Create Abstract class for Input/Processor/Output (Mohammad Kamrul Islam via bikas)"

This reverts commit 6e07f0388b4a99a7d921ea697fb0c6cad2cea674.
TEZ-695. Create Abstract class for Input/Processor/Output (Mohammad Kamrul Islam via bikas)
TEZ-695. TEZ-988. Enable KeepAlive in Tez Fetcher (Rajesh Balamohan via bikas)
TEZ-919. Fix shutdown handling for Shuffle. (sseth)
TEZ-737. DAG name should be unique within a Tez Session. (Mohammad Kamrul Islam via hitesh)
TEZ-873. Expose InputSplit via MRInputLegacy, and underlying splits via
TezGroupedSplits. Contributed by Mohammad Kamrul Islam.
TEZ-1003. Add a MergedInput to combine multiple ShuffledMergedInputs.
Contributed by Rohini Palaniswamy.
TEZ-1077. Add unit tests for SortedMergedGroupedInput. (sseth)
TEZ-1018. VertexManagerPluginContext should enable assigning locality to scheduled tasks (bikas)
TEZ-698. Make it easy to create and configure MRInput/MROutput and other inputs/outputs (bikas)
TEZ-1023. Tez runtime configuration changes by users may not get propagated
to jobs. Contributed by Rajesh Balamohan.
TEZ-1073. RLE fast-forward merge for IFile (gopalv)
TEZ-1062. Create SimpleProcessor for processors that only need to implement the run method (Mohammad Kamrul Islam via bikas)
TEZ-1074. Reduce the frequency at which counters are sent from the task
to the AM to reduce AM CPU usage. Contributed by Rajesh Balamohan.