refs #1691 : bugfix - debug routine removed.

 -
 refs #1612 : bugfix - MySQLi adapter did not return correct DBMS
 version.
 refs #1579 : enhanced - simpler permission instructions.

 -
 refs #1692 : bugfix - article_rep_id cannot be used to indicate the
 order of current post.

 - It is unique id but not sequential number.