Tez 0.5.1 released
TEZ-1648. Update website after 0.5.1
TEZ-1614.  Use setFromConfiguration() in SortMergeJoinExample to demonstrate the usage (Rajesh Balamohan)
Adding TEZ-1614 to CHANGES.txt
Adding TEZ-1614 to CHANGES.txt
TEZ-1641. Add debug logs in VertexManager to help debugging custom VertexManagerPlugins
TEZ-1645. Add support for specifying additional local resources via config. (hitesh)
Fix CHANGES.txt to reflect correct commits to 0.5.
TEZ-1646. Add support for augmenting classpath via configs. (hitesh)
TEZ-1647. Issue with caching of events in VertexManager::onRootVertexInitialized. (Jeff Zhang via hitesh)
TEZ-1470. Recovery fails due to TaskAttemptFinishedEvent being recorded multiple times for the same task. (Jeff Zhang via hitesh)
TEZ-1649. ShuffleVertexManager auto reduce parallelism can cause jobs to hang indefinitely  (Rajesh Balamohan)
TEZ-1579. MR examples should be setting mapreduce.framework.name to
yarn-tez. Contributed by Krisztian Horvath.
TEZ-1566. Reduce log verbosity  (Rajesh Balamohan)
TEZ-1083.  Enable IFile RLE for DefaultSorter  (Rajesh Balamohan)
TEZ-1637. Improved shuffle error handling across NM restarts.
Contributed by Rajesh Balamohan.
TEZ-1479. Disambiguate (refactor) between
ShuffleInputEventHandlers and Fetchers. (sseth)
TEZ-1665. DAGScheduler should provide a priority range instead of an exact priority (bikas)jps
TEZ-1479 addendum. Revert accidental change from previous commit.
(sseth)
TEZ-1632. NPE at TestPreemption.testPreemptionWithoutSession (Alexander Pivovarov via bikas)