Added product descriptions to the Prom.ua upload in Ukrainian.

Added product descriptions to the Prom.ua upload in Ukrainian. If a Russian-language catalog is being exported, and there is also a similar card in Ukrainian, then the fields "Name_Ukr" and "Description_Ukr" will be added.

Connection of the Fondy.ua payment system on Hotlist.biz
Added automatic cell matching recognition when importing categories, manufacturers and collections.
Added navigation by store categories to the "Slide Menu" Widget.