Bookshelf preview

Making great progress on the Bookshelf merge. Redesigned the post meta boxes and created a new admin screen for you to change the most important parts about your Bookshelf. Things like the permalink, page title/description, and even some bonus features will make its way in. I’m confident about the usefulness of these settings based on how people have been using the Bookshelf for the past 2 years, so I know what’s been missing. To spoil you further, I’m adding a couple of bonus features too!