Updating UPGRADE.txt to reflect the deprecation of the monitor-join

queue option



git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@86031 65c4cc65-6c06-0410-ace0-fbb531ad65f3

UPGRADE.txt

@@ -191,6 +191,11 @@ Applications:
   provides more 'true' round-robin call delivery. For the Asterisk 1.6 release,
   'rrmemory' will be renamed 'roundrobin'.
 
+* The app_queue application option called 'monitor-join' has been deprecated
+  for this release. Users are encouraged to use 'monitor-type=mixmonitor' instead,
+  since it provides the same functionality but is not dependent on soxmix or some
+  other external program in order to mix the audio.
+
 * app_meetme: The 'm' option (monitor) is renamed to 'l' (listen only), and
   the 'm' option now provides the functionality of "initially muted". 
   In practice, most existing dialplans using the 'm' flag should not notice