bug#50686: Show number of downloads on packages on GNU ELPA/NonGNU ELPA

[Stefan Monnier]

>>> If it helps, here's a first pass at a regexp and function to parse the logs
>>> into download counts per package file.
>> Thanks.  I got some inspiration from it for the code I pushed to
>> `elpa-admin.el`.  It's still not doing anything, tho.
> Thanks.  What would the next steps be?

- Have a cron job use that code to maintain historical access stats.
  [ almost done.  ]
- change the HTML-building code to use those stats to "enrich" the HTML
  with "popularity" info.
  [ not started yet.  ]


        Stefan