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_drives.c

@@ -89,9 +89,8 @@ void
 ecdb_drive_info_list_free(Eina_List *list)
 {
    Ecdb_Drive_Info *info;
-   Eina_List *l;
 
-   EINA_LIST_FOREACH(list, l, info)
+   EINA_LIST_FREE(list, info)
    {
       FREE(info->read_speeds);
       FREE(info->write_speeds);
@@ -102,8 +101,6 @@ ecdb_drive_info_list_free(Eina_List *list)
       eina_stringshare_del(info->profile_name);
       FREE(info);
    }
-
-   list = eina_list_free(list);
 }
 
 void