Pressbooks 3.7.0

Pressbooks 3.7.0 just went live on Pressbooks.com and all of our other production networks. Here’s what changed:

• Feature: Introduced \Pressbooks\Options class and rebuilt theme options using on this class.
• Feature: Introduced \Pressbooks\Taxonomy class and rebuilt front matter, chapter and back matter types using this class.
• Feature: Added support for custom base font size, line height, page margins, image resolution and running content in SCSS v2 themes for PDF.
• Feature: Enabled webbook collapsible TOC by default (as needed).
• Feature: Enabled webbook font size control by default.
• Feature: Added custom sidebar color for catalog (props to @monkecheese).
• Enhancement: Prince will now ignore self-signed certificates in a development environment.
• Fix: Fixed an admin style inconsistency introduced with WordPress 4.6.
• Fix: Fixed an error where SCSS v2 themes could not be imported into the Custom CSS editor.
• Fix: Added user feedback to allow recovery from JPEG errors (props to @bdolor).
• Fix: Added a call to wp_flush_cache() to fix an error during book creation.