Force BROKER_POOL_LIMIT to 1024 so it can reuse a single connection
Force disable of RATE_LIMITS to improve performances
Moved BROKER_POOL_LIMIT from 1024 to 10 as it's the default is Celery 2.5
CELERY_DISABLE_RATE_LIMITS will be pushed later
Comment improved
Merge pull request #1344 from gem/fix-errno99

Force BROKER_POOL_LIMIT to 10