Update the watch workers applescript to watch the celerybeat log file.

contrib/mac/watch-workers.applescript

@@ -1,5 +1,6 @@
 set broker to "h8.opera.com"
 set workers to {"h6.opera.com", "h8.opera.com", "h9.opera.com", "h10.opera.com"}
+set clock to "h6.opera.com"
 tell application "iTerm"
     activate
     set myterm to (make new terminal)
@@ -17,6 +18,15 @@ tell application "iTerm"
                 write text "ssh root@" & workerhost & " 'tail -f /var/log/celeryd.log'"
             end tell
         end repeat
+        set celerybeat to (make new session at the end of sessions)
+        tell celerybeat
+            set name to "celerybeat.log"
+            set foreground color to "white"
+            set background color to "black"
+            set transparency to 0.1
+            exec command "/bin/sh -i"
+            write text "ssh root@" & clock & " 'tail -f /var/log/celerybeat.log'"
+        end tell
         set rabbit to (make new session at the end of sessions)
         tell rabbit
             set name to "rabbit.log"