Code refactoring.
Add missing translations. Fix some code.
Fix some bugs in RSYNC WebGUI. Add missing translations.
Fix bug in user & groups WebGUI.
Begin to play with LDAP
Add RSYNC client diag page
Add Japanese language: Thanks to Hiroyuki Seino
fix upgrade config file bug
Fix bug in system_advanced_swap.php. Modify some 'swap' code.
Fix FTP PAM bug