CC-2084: Integrate RabbitMQ for immediate schedule updates and commands

Fixed minor issue where schedule was pushed back to pypo after updating
the "played" flag for media files and playlists.

Found one other spot where this was happening and fixed it.

application/models/Schedule.php

@@ -554,7 +554,6 @@ class Schedule {
                 ." SET media_item_played=TRUE"
                 ." WHERE id=$p_id";
         $retVal = $CC_DBC->query($sql);
-        RabbitMq::PushSchedule();
         return $retVal;
     }