TEZ-1710. Add support for cluster default AM/task launch opts. (sseth)
TEZ-1713. tez.lib.uris should not require the paths specified to be
fully qualified. (sseth)
TEZ-1710 addendum. Fix property name for am cluster-default cmd opts.
TEZ-1715. Fix use of import java.util.* in MultiMRInput. (hitesh)
TEZ-1664. Add checks to ensure that the client and AM are compatible. (hitesh)
TEZ-1689. Exception handling for EdgeManagerPlugin. (zjffdu)
TEZ-1701. ATS fixes to flush all history events and also using batching. (hitesh)
TEZ-792. Default staging path should have user name. (Mohammad Kamrul Islam via hitesh)