find out what's up with the Boehm leak detector's claims that some
memory in checksets whose size is modulo four is getting "smashed".

When FreeBSD gets a stdint.h, change the conditionally-compiled
inttypes.h inclusion in hashtbl.c to stdint.h.

if necessary, add note to README about 'CPPFLAGS="-I /foo/bar" ./configure'

add output syntax section to manpage

is it desirable to let the user say, don't descend this directory
(e.g., /var/apache), but do descend one of its children (e.g.,
/var/apache/bin)?  I think it's probably better to encourage users to
run integrit with multiple conf files in that situation.

