* Adds the post title meta to single posts and single items on archive pages.
* Includes sub-title, book author, pamphlet author, article author and event-series dates.
* brhg2016_get_item_connected() and brhg2016_get_item_meta_singles() are both in functions/utility_functions.php
* @package Wordpress
* @subpackage BRHG2016
* @since BRHG2016 1.0