TEZ-1673. Update the default value for allowed node failures, num events
per heartbeat and counter update interval. (sseth)
TEZ-1462. Remove unnecessary SuppressWarnings. (Alexander Pivovarov via hitesh)
TEZ-1633. Fixed expected values in TestTaskRecovery.testRecovery_OneTAStarted. (Alexander Pivovarov and Jeff Zhang via hitesh)
TEZ-1669. yarn-swimlanes.sh throws error post TEZ-1556. (Rajesh Balamohan via hitesh)
TEZ-1633. Addendum patch. Fixed expected values in TestTaskRecovery.testRecovery_OneTAStarted. (Alexander Pivovarov and Jeff Zhang via hitesh)