* Add and fix docs according to Doxygen warnings throughout
	source.

	* dbus/dbus-marshal-recursive.c
	(_dbus_type_reader_array_is_empty): change this to just call
	array_reader_get_array_len() and make it static

	* dbus/dbus-message.c (dbus_message_iter_get_element_type): rename
	from get_array_type
	(dbus_message_iter_init_append): rename from append_iter_init

	* dbus/dbus-marshal-recursive.c
	(_dbus_type_reader_get_element_type): rename from
	_dbus_type_reader_get_array_type