Fixed bug in categories. Added "Fetch Mode" option.

Signed-off-by: Carlos Escribano Rey <carlos@markhaus.com>
Added options to hide prices in data feed and to not use taxes.

Signed-off-by: Carlos Escribano Rey <carlos@markhaus.com>
Actualizadas traducciones.

Signed-off-by: Carlos Escribano Rey <carlos@markhaus.com>