modified:   control/mod_control.class.php
	modified:   control/index_control.class.php
	modified:   model/online.class.php
	new file:   plugin/rename_username/conf.php
	new file:   plugin/rename_username/plugin_rename_username.htm
	new file:   plugin/rename_username/rename_username.php
	new file:   plugin/rename_username/setting.php