Provide OS and package information if the distribution is packaged

[book]

This is similar to #154 and metacpan/metacpan-web#919.

Many CPAN distributions are available as packages for Linux distributions. This information would be useful to show on a distribution page on metacpan, and also through the API.

I have worked out the mapping for Debian, and this script produces a JSON file with the data.

I'd like to discuss the options for:

• including the Debian package info in metacpan and API results (either by generating it on the metacpan infrastructure, or pulling it from my files)
• a better, more useful format for the source data, if needed
• come up with a general way for importing that metadata for other package systems (RedHat and Fedora RPM, ActiveState PPM, Arch pacman, Gentoo ebuild, etc)

[oalders]

I believe that this should live in the distribution endpoint. We could follow a pattern similar to this one #462

For the other issues, you could step over into the MetaCPAN room and we could discuss it face to face. :)

[mickeyn]

the script will be introduced in #637
we'll just need to add the mapping manually before running and set up a cron.

[mickeyn]

with the merging of #637 we can wrap this up today

[mickeyn]

@book can we close this one?