Release of minor versions of classical Abacre Point of Sale products

Released:

Abacre Restaurant Point of Sale v10.3
Abacre Retail Point of Sale v9.3
Abacre Hotel Management System v7.3
Abacre Cash Register v6.3
Abacre Inventory Management and Control v6.3

The list of changes:

* Feature: added new report: Inventory Shrinkage
* Feature: added new parameters on menu Configuration - Preferences - Barcode Reader: Number of digits after decimal for qty or price in barcode, Item should be added with qty equals to 1, Is 18 digits barcode with qty and total price?
* Bug fixed: error message was shown in special situations when using StoreSync.