Log Message:
Update to version 2.61

Summary of major changes since 2.60
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  - Dramatically reduced memory usage of Bayes expiry.
  - avoid false positives on Outlook 2003 messages, mails from Mac, Palm, and
    localized versions of Eudora, several AOL MUAs, and newer versions of The
    Bat!
  - new set of French translations from Michel Bouissou
  - updated to reflect new Dynablock DNSBL location
  - avoids a possible hole that was giving AWL bonuses to
    spammer forgeries on some networks
  - miscellaneous bug fixes