Bugfix release
- various PHP8 fixes and code modenisations (thanks mlocati and mnakalay)
- new payment logs handling (thanks mlocati)
- minor interface improvements
- now link translates headers and footers in emails
- new opengraph meta tags for product pages (thanks mlocati)
- ability to hide further product controls if not wanted (thanks mlocati)
- automatic update of image titles (thanks mlocati)