Fix and provide vote limitation in article_info.

substitute_ref_record is an evil function and may damage lots of stuff,
especially when dealing with vote_limit.badpost.


git-svn-id: http://opensvn.csie.org/pttbbs/trunk@5990 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
Revise waterban messages


git-svn-id: http://opensvn.csie.org/pttbbs/trunk@5991 63ad8ddf-47c3-0310-b6dd-a9e9d9715204