* doctypes, maps-2.0, maps-2.6, maps-2.8, vfs.typemap, vfs2perl.c,
	vfs2perl.h, xs/GnomeVFSAsync.xs: Get rid of the custom boxed types
	for the various handles and use simple opaque scalars instead.

	* vfs2perl.c, xs/GnomeVFS.xs, xs/GnomeVFSApplicationRegistry.xs,
	xs/GnomeVFSFileInfo.xs, xs/GnomeVFSMime.xs, xs/GnomeVFSXfer.xs:
	Move type converters to a central place.

	* xs/GnomeVFSUtils.xs, xs/GnomeVFSXfer.xs: Make internal functions
	static.

svn path=/trunk/; revision=127