FIX Fixing pages warning when value is null

FIX $forceimgscaleheight instead $forceimgscalewidth

Conflicts:
	ChangeLog
	htdocs/install/fileconf.php

Fix : Accountancy v6

Conflicts:
	htdocs/compta/bank/bankentries.php

Conflicts:
	htdocs/core/menus/init_menu_auguria.sql
	htdocs/core/menus/standard/eldy.lib.php
	htdocs/product/class/product.class.php

Conflicts:
	htdocs/compta/facture.php
	htdocs/core/ajax/ajaxdirpreview.php
	htdocs/core/class/conf.class.php
	htdocs/core/class/html.formfile.class.php
	htdocs/core/lib/functions.lib.php
	htdocs/core/tpl/objectline_create.tpl.php

shipment.