2007-03-02  Ray Strode  <rstrode@redhat.com>

	Patch from 
	Paolo Borelli <pborelli@katamail.com>

	* backends/markup-tree.c:
	* backends/xml-dir.c:
	* doc/gconf/gconf-sections.txt:
	* doc/gconf/tmpl/gconf-internals.sgml:
	* gconf/gconf-backend.c:
	* gconf/gconf-internals.[ch]:
	* gconf/gconfd.c:
	use g_file_test instead of home brew
	gconf_file_test and gconf_file_exists functions

svn path=/trunk/; revision=2371