TEZ-1343. Bypass the Fetcher and read directly from the local filesystem
if source task ran on the same host. Contributed by Prakash
Ramachandran.
TEZ-1041. Use VertexLocationHint consistently everywhere in the API (bikas)
TEZ-1057. Replace interfaces with abstract classes for Processor/Input/Output classes (bikas)
TEZ-1377. Disable TestSecureShuffle until TEZ-1368 is fixed. (hitesh)
TEZ-1351. MROutput needs a flush method to ensure data is materialized for FileOutputCommitter (bikas)