CC-3620 : Calendar -> Unresponsive script warning when trying to add 300 ogg files

improving speed of js rendering,
datatables config is loaded from localstorage,
removed aggregate propel behaviour on cc_show_instances time_filled.

airtime_mvc/application/models/Schedule.php

@@ -272,6 +272,8 @@ class Application_Model_Schedule {
         }
 
         $sql .= " ORDER BY si.starts, sched.starts;";
+        
+        Logging::debug($sql);
 
         $rows = $CC_DBC->GetAll($sql);
         return $rows;