This was added to app_dial a while back, and now it's in app_queue as well....

 This was added to app_dial a while back, and now it's in app_queue as well. Provide an option to prevent members of the queue from forwarding calls from the queue to somewhere else. 



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@41901 65c4cc65-6c06-0410-ace0-fbb531ad65f3