Merge branch 'dev'

Fix the ResponseTimeout issue

Merge pull request Netflix#345 from Netflix/dev

Dev

Added API to reset task callback timeouts to 0 (Part 2)

Merge pull request Netflix#332 from Netflix/dev

Always return 0 for the responsetimeout.

Merge pull request Netflix#330 from Netflix/dev

1.8.1 candidate

Merge pull request Netflix#299 from Netflix/dev

Retry and Rerun bug fix and others

Merge pull request Netflix#231 from Netflix/dev

Task Logger Changes

Merge pull request Netflix#225 from Netflix/dev

Task Logger Implementation for the worker

add more debug information for HTTP calls