Outbound File Purge work queue

Code	`OutboundFilePurgeWQ`
Categories	`APIRunnable`, `UIRunnable`, `Schedulable`
Implementation	Work queue
Schedule	Not scheduled
Class	OutboundFilePurgeWorkQueue.java

OutboundFilePurgeWorkQueue is a work queue that checks if there are any outbound files for which the purge date has elapsed. If there are such files, the work queue removes those files and associated records from the database.