3.4.0

• BREAKING: Changed address parameter in EbookProviderInterface::getDownloadLinks() to nullable. remp/crm#3199
• BREAKING: Changed PostalFeePaymentItem constructor - $vat variable is now of type float (previously int). remp/crm#3277
  • Some ebook distribution centers (providers) do not require address (user's email is enough).
  • Updated EbookProvider to catch exception and log it (will maintain previous behavior - no change for frontend user).
  • If your distribution center (provider) requires address, check for it in your EbookProviderInterface implementation and throw exception.
• Reverted formatting from price back to number in AvgProductsPaymentWidget. remp/crm#3212
• Added auto login after user registration in CheckoutFormFactory. remp/helpdesk#2995