update config to clarify options for how the work in the stable branch

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/v1-0@5165 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configs/queues.conf.sample

@@ -110,11 +110,13 @@
 ;
 ; monitor-join = yes
 ;
-; If you wish to allow queues that have no members currently to be joined, set this to yes
+; If you wish to allow queues that have no members currently to be joined, then set this
+; to yes.  Note that this is for use with dynamic queue members!
 ;
 ; joinempty = yes
 ;
-; If you wish to remove callers from the queue if there are no agents present, set this to yes
+; If you wish to remove callers from the queue if there are no agents present, then set
+; this to yes.  Note that this is for use with dynamic queue members!
 ;
 ; leavewhenempty = yes
 ;