removed centos/celeryd CELERYD_CHDIR quoting
…pp_finalize. Closes #1937
…e.delivery_mode if set. Closes #1953
This change effectively disables SSL as set using BROKER_USE_SSL. SSL support should be functional through existing mechanisms, but requires doc changes and testing. I've documented this potential feature and the necessary work with celery/celery#1974.
Fix typo in comment ("if if")
Add my name to contributors
Add option to worker to control heartbeat interval.
Fix documentation for Task.throws