Update CHANGES to reflect new QUEUE_MEMBER option, "ready"

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@236312 65c4cc65-6c06-0410-ace0-fbb531ad65f3

CHANGES

@@ -72,6 +72,8 @@ MGCP Changes
 
 Applications
 ------------
+ * Added "ready" option to QUEUE_MEMBER counting to count free agents who's wrap-up
+   timeout has expired.
  * Added 'R' option to app_queue.  This option stops moh and indicates ringing
    to the caller when an Agent's phone is ringing.  This can be used to indicate
    to the caller that their call is about to be picked up, which is nice when