added button to select the file for the virtual product
virtual file for default pse
Virtual document for default pse 2
removed availability verification for virtual products
Support for virtual product in default frontOffice template
Added delivery module for virtual products
Changed default frontoffice template to allow customer to download files associated to virtual products
started to implement email alert with link to download file for virtual products
Added email with download links when the order is validated (paid)
deleted old files
Re added email config test
Re added email config test
Fixed generation of invoice and delivery for Admin user
Fixed wrong implementation of virtual atttribute in OrderProduct loop
Send message with links to download files when the status of an order is set to paid
Added constant for meta element key
Faker now generates virtual products
Fixed backoffice and loop issues
New smarty data access function for meta data
Highlight virtual products in product list.