Good-bye TokenBucketQueue
Good-bye mediator, good bye ready_queue, good bye Queue.Queue
Rate limits no longer adds overhead, so remove from optimizing guide
[Optimization] Unrolls Consumer.on_task method call
Tests passing
Remove Pool.rlimit_safe attribute, no longer needed
Merge branch 'master' into v31-lockfree-rate-limits
flakes
@task should raise if args passed.  Closes #1125
task_failure signals should receive real traceback object
Document behavior of the exc argument to Task.retry.  Closes #1099
use kombu.disable_insecure_serializers
Do not require kombu dev
Fixes Proxy.__module__,__doc__,__name__.  Thanks to Marius Gedminas. Closes #1087
Fixes pool_restart tests
celery.conf.add_defaults now supports adding non-Mapping objects
MongoDB: MONGODB_BACKEND_SETTINGS now accepts "options" for kwargs to pass to pymongo.Connection.  Closes #1015
Fixes unicode output in colored logs.  Closes #427
3.0.18 not yet released
Documented using IronMQ as a broker and IronCache as a result store.