TEZ-947. Fix OrderedWordCount job progress reporting to work across AM attempts. (hitesh)
TEZ-934. Add configuration fields for Tez Local Mode (part of TEZ-684).
Contributed by Chen He.
TEZ-938. Avoid fetching empty partitions when the OnFileSortedOutput,
ShuffledMergedInput pair is used. Contributed by Rajesh Balamohan.