Automatically delete downloaded firmware files after installation confirmation
Fix MD5 check for downloaded files when the checksum is not provided in HTTP headers
D-Bus: allow org.freedesktop.DBus.Properties and org.freedesktop.DBus.Introspectable interfaces in policy
Configuration paths (cache-storage-path, tmp-download-dir-path, http-trust-store) are now stored as relative paths and automatically resolved against the data directory at runtime; config-provisioning-path is no longer configurable and is hardcoded to config/config-provisioning.json inside the data directory