* .cvsignore: upd

	* shared-mime-info-spec.xml: Update the spec to contain
	"content-types" or "tree magic", to detect an "x-content/" mime-type
	from a directory structure, patch from Matthias Clasen
	<mclasen@redhat.com>

	* update-mime-database.c (process_freedesktop_node),
	(cmp_tree_magic), (tree_match_new), (tree_match_free),
	(build_tree_matches), (tree_magic_free), (tree_magic_new),
	(write_tree_magic_children), (write_tree_magic), (add_type),
	(write_types), (write_header), (write_types_cache), (write_cache),
	(main): Add support for writing the tree-magic file, as per the
	spec update above, patch from Matthias Clasen <mclasen@redhat.com>

	* freedesktop.org.xml.in: Add one single tree-magic item, for
	testing

	* configure.in: check for GIO, build the tree magic test if it's
	available
	* Makefile.am: use test-tree-magic if it's there
	* test-tree-magic.c: automated testing for tree magic, based on GIO
	code by Matthias Clasen <mclasen@redhat.com>
	* tests/tree-list: A few tests