TEZ-1575. MRRSleepJob does not pick MR settings for container size and java opts. (hitesh)
TEZ-1578. Remove TeraSort from Tez codebase. (hitesh)
TEZ-1569. Add tests for preemption (bikas)
TEZ-1580. Change TestOrderedWordCount to optionally use MR configs. (hitesh)
TEZ-1524. Resolve user group information only if ACLs are enabled (gopalv)
TEZ-1581. GroupByOrderByMRRTest no longer functional. (hitesh)