* Downloadable content will now be indicating, in the log, whether it can be trusted with ✓ (validated) or ✗ (caution)
* Of course this validation only applies for files we know of, i.e. the downloadable content that existed at the time the DB was
created. So, if Syslinux 8.x gets released tomorrow and we put it on our server, you'll get an ✗ regardless of its integrity.
* Closes#758
