Update Boost installation process in Docker images
Created by: dalg24
Verify PGP signature (because our failure rate for not being able to download key is not high enough) and do not require to find out the SHA256 of a release.
Created by: dalg24
Verify PGP signature (because our failure rate for not being able to download key is not high enough) and do not require to find out the SHA256 of a release.