Added function to replace tabs with a drop-down list (Accordion)

Added function to replace tabs with a drop-down list (Accordion)

Added function to replace tabs with a drop-down list (Accordion)

Added the ability to set a tax with automatic recalculation of the final cost.
Added an information panel with the results of the latest import.
Attention! 08/17/2018 will be used in maintenance and operation services.