GA improvements.  remove long-vestigial USE_LOG_SCORE_EVALUATION and exhaustive_eval code; make maxiter a command-line parameter; add a digit to the percentage counters in the output; silence some inscrutable noise in the output; and make the checkpoints output more frequently
GA improvements.  remove long-vestigial USE_LOG_SCORE_EVALUATION and exhaustive_eval code; make maxiter a command-line parameter; add a digit to the percentage counters in the output; silence some inscrutable noise in the output; and make the checkpoints output more frequently

git-svn-id: e9fe9b84e32fc5e57b7d09c40cd78b14ea28ed71@518111 13f79535-47bb-0310-9956-ffa450edef68

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