(spam-group-spam-contents-p, spam-group-ham-contents-p)

(spam-group-spam-contents-p, spam-group-ham-contents-p)
(spam-group-processor-p, spam-group-processor-bogofilter-p)
(spam-group-processor-ifile-p, spam-group-processor-blacklist-p)
(spam-group-processor-whitelist-p, spam-group-processor-BBDB-p)
(spam-mark-spam-as-expired-and-move-routine)
(spam-generic-register-routine, spam-BBDB-register-routine)
(spam-ifile-register-routine, spam-blacklist-register-routine)
(spam-whitelist-register-routine): new functions
(spam-summary-prepare-exit): added summary exit processing (expire
or move) of spam-marked articles for spam groups; added slots for
all the spam-*-register-routine functions