TEZ-1722. DAG should be related to Application Id in ATS data. (hitesh)
TEZ-1711. Don't cache outputSpecList in VertexImpl.getOutputSpecList(taskIndex). (zjffdu)
TEZ-1703. Exception handling for InputInitializer. (zjffdu)
TEZ-1698. Cut down on ResourceCalculatorProcessTree overheads in Tez (Rajesh Balamohan & Gopal via Rajesh Balamohan)