Rid some useless eina_list_free calls, proper ecdb_source usage in filelist and burn data gui, and update to new EWL API.

experimental/ecdb/trunk/src/ecdb_misc.c

@@ -246,7 +246,7 @@ ecdb_dnd_selection(void *data, int type, void *event)
          call_func(em->evas_drop_object, files);
       }
    }
-   else
+   else if (em->ewl_drop_object)
    {
       Ewl_Event_Dnd_Data_Received ewl_ev;