Create a beanstalkd balancer, named actuary

Actuary is a beanstalkd balancer which takes job submissions and
synchronously distributes them among a number of beanstalkd workers.

Workers register themselves with the actuary by calling
http://actuary_host/register?name=ipaddr%3Aport

Jobs are submitted as http://actuary_host/submit?body=MESSAGE
Optional params are
 - queue: name of tube to submit job [default]
 - priority: priority as int32 [2147483648]
 - delay: delay processing job in seconds [0]
 - ttr: time before job is re-queued [120]