bug: 0 hits with more than 1 miss is really a 0; also, remove non-percentage-based measurement feature, as it adds too much complexity
bug: 0 hits with more than 1 miss is really a 0; also, remove non-percentage-based measurement feature, as it adds too much complexity

git-svn-id: e9fe9b84e32fc5e57b7d09c40cd78b14ea28ed71@348031 13f79535-47bb-0310-9956-ffa450edef68

apache/spamassassin,apache/spamassassin,apache/spamassassin,apache/spamassassin,apache/spamassassin