new amqp, billiard, celery, kombu version

requirements/base.txt

 setuptools==0.9.8
 setuptools==0.9.8
-amqp==1.0.13
+amqp==1.4.6
 anyjson==0.3.3
 anyjson==0.3.3
 argparse==1.2.1
 argparse==1.2.1
-billiard==2.7.3.32
-celery==3.0.23
+billiard==3.3.0.20
+celery==3.1.18
 distribute==0.7.3
 distribute==0.7.3
-kombu==2.5.14
+kombu==3.0.30
 netaddr==0.7.10
 netaddr==0.7.10
 python-dateutil==2.1
 python-dateutil==2.1
 six==1.4.1
 six==1.4.1