Fix wrong attribute name for loop

Fix can not update extrafields values

Conflicts:
	dev/skeletons/skeleton_list.php
	htdocs/admin/perms.php
	htdocs/core/class/commonobject.class.php
	htdocs/core/class/hookmanager.class.php
	htdocs/core/lib/files.lib.php
	htdocs/product/class/product.class.php
	htdocs/product/class/service.class.php
	htdocs/product/index.php
	htdocs/product/list.php
	htdocs/public/members/new.php
	htdocs/theme/eldy/style.css.php
	htdocs/theme/md/style.css.php

unique security key was defined.

Conflicts:
	htdocs/core/lib/files.lib.php
	htdocs/core/lib/images.lib.php