MINOR CHANGE: Remote dierectory parser and file downloader.
BUG FIX: Partial Prices are not updated - are always equal 5,90 Euro
BUG FIX: Navigation Path Builder - Home link points at null domain
NEW FUNCTIOANLITY: Edit Cart Page - asynchronous request processing.
NEW FUNCTIOANLITY: Edit Cart Page - asynchronous request processing.
BUG FIX: Regress - cannot delete items from Cart.
IMPROVEMENT: One request is sent after increasing/decreasing number of
products at Edit Cart Page.