Alexander provided a link:
http://meta.wikimedia.org/w/index.php?title=User_talk:Anthere&diff=3633…d=358186.
Apparently he asked Anthere, who asked Brion.
Yes, but he was not me. I actually voted against the counter (but
majority of Russian Wikipedia community was for)
Developer of the counter is Edward Chernenko.
http://meta.wikimedia.org/wiki/User:Edward_Chernenko
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Alexander Sigachov
http://meta.wikimedia.org/wiki/User:ajvol