parse_cncpo: better diagnostics for invalid CSV files
update_aams: new URL for the censorship list

This URL is supposed to be stable, until the next time.
parse_agcom: parse the AGCOM censorship feed
parse_agcom: ignore subdomains of censored domains
enable the AGCOM module
update_aams: move the validation code to parse_aams

Implement in Perl a more complete validator.
parse_aams: convert the IDNs to ASCII
update the dependencies list