Update prices and inventory from RC-Hurt program

Description of the module

• the module uses JSON RPC API through TCPIP Scandroid application which is a kind of bridge between RC-Hurt and the module.
• updating is done by Index / product reference or Ean13 / Barcode
• the module updates the prices of products
• the module can update quantities for combinations of attributes and the base product
• module configuration comes down to adding the user's name, his password, IP Scandroid server and port, as well as the license number
• the ability to add tasks to the Cron table to make updates take place automatically
• it is possible to expand the module with additional features such as price, name, etc.