PingQueueManager. This interface describes the manager for the weblog update ping request queue. The queue is
processed by the PingQueueProcesssor and PingQueueTask components in the application
layer.
Add a new persistent entry to the queue. If the queue already contains an entry for the ping target and website
specified by this auto ping configuration, a new one will not be added.
Parameters: autoPing - auto ping configuration for the ping request to be queued.