Function updateFileInformation

Function updates file meta information (used when files were created or edited). It creates new database record for file meta informations if database record does not exist. Otherwise, existing record will be updated

Package: Core\Backend
Copyright: four for business AG <www.4fb.de>
License: http://www.contenido.org/license/LIZENZ.txt
Author: Willi Man, Timo Trautmann
Located at includes/functions.file.php

Parameters summary
`integer`	`$iIdClient`	- id of client which contains this file
`string`	`$sFilename`	- name of corresponding file
`string`	`$sType`	- type of file (css, js or templates)
`string`	`$sAuthor`	- author of file
`string`	`$sDescription`	- description of file
`cDb`	`$oDb`	- CONTENIDO database object
`string`	`$sFilenameNew = ''`	- new filename if filename was changed (optional)