Release of minor versions of classical Abacre Point of Sale products

Released:

Abacre Restaurant Point of Sale v13.6
Abacre Retail Point of Sale v12.6
Abacre Hotel Management System v10.6
Abacre Cash Register v9.6
Abacre Inventory Management and Control v9.6

The list of changes:

* Feature: implemented new QR Code tag: {$qrcodeksa} which is need to generate QR Codes compatible with requirements of Tax Authorities of Saudi Arabia.
* Feature: implemented support of QR Code printing in HTML printing module.
* Bug fixed: when printing two or more copies of a receipt with QR Code the second and next copies were printed in black.
* Improvement: now it's possible to use Arabic text in Property Name to be printed in QR Codes.
* Feature: added new parameter {$ordertypetotal} for end of day templates.
* Feature: implemented support of "Direct to Serial Port" and "Running Command" for notification printers.
* Improvement: implemented several improvements on FTP settings saving located on menu Configuration - Preferences - Advanced.
* Bug fixed: Time fields are displayed with initial date on menu Configuration - Items - Price Schedule.