[Systems] Mirrorbrain: mod_asn enabled

[Bernie Innocenti]

Today I debugged a mirrorbrain issue with the invaluable help of Peter
Pöml.

Our ASN database was empty. I primed it and added a cronjob to refresh
it weekly. I've also enabled mod_asn in Apache, which should improve IP
to mirror matching.

We've found a bug in prefix comparisons which affects our
mirrors.paraguayeduca.org configuration. Peter is working on a fix.

-- 
   // Bernie Innocenti - http://codewiz.org/
 \X/  Sugar Labs       - http://sugarlabs.org/