TEZ-1688. Add applicationId as a primary filter for all Timeline data for easier export. (gopalv and hitesh via hitesh)
TEZ-1141. DAGStatus.Progress should include number of failed and killed attempts. (hitesh)
TEZ-1424. Fixes to DAG text representation in debug mode  (Rajesh Balamohan)
TEZ-1590. Fetchers should not report failures after the Processor on the
task completes. (sseth)