update Kloxo-MR 6.5.1.a to 2013092802 (hiawatha already work for redirect; set enable gzip and fix urltoolkit setting for hiawatha; using 'qmailcrl restart' instead 'qmailctl stop qmailctl start'; make simple logic for webmail in web config; fix webmail config (thanks for hiawatha with their strict path); change 'insert into' to 'insert ignore into' for sql to guarantee latest data; remove 'old style' sql data and function)