Update to python-amqp-1.4.5.
Update to python-billiard-3.3.0.17.
Upgrade to kombu-3.0.15.
Upgrade to celery-3.1.11.
Update Kombu README.
Update Celery README.
Fixed some README comments based on PR review.
Automatic commit of package [python-amqp] minor release [1.4.5-1].
Automatic commit of package [python-billiard] minor release [3.3.0.17-1].
Automatic commit of package [python-kombu] minor release [3.0.15-1.pulp].
Automatic commit of package [python-celery] minor release [3.1.11-1].