Release of minor versions of classical Abacre Point of Sale products

Released:

Abacre Restaurant Point of Sale v13.1
Abacre Retail Point of Sale v12.1
Abacre Hotel Management System v10.1
Abacre Cash Register v9.1
Abacre Inventory Management and Control v9.1

The list of changes:

* Feature: on Order window when barcode is scanned incorrectly or barcode is not found then Item Code field will be highlighted in red color and bold.
* Feature: added new bill configuration parameter: {$totales2} to display total in Spanish in the following sample format:
CINCUENTA Y TRES 00/100
* Feature: on menu Configuration - Items - Export added new export columns: Barcode, Category, On Hand Qty.
* Improvement: for some inventory and profit margin reports Margin % will be shown as zero if total on hand cost is zero for items. This is the case when inventory module is used only for counting of on hand quantities without counting of on hand cost.
* Improvement: Worker Hours report displays hours with greater precision.