Embedded Audio, fixes

- Fixed bug - uppercase in book id's caused books to disappear!
- Embedded Audio appears in book.
Fixes, audio/video

- Clicking on the template preview on a post opens the templates chooser
- Audio and Video now embedded in the book
- Photo book template has audio/video buttons
Audio/Video

Posts can now have audio/video embedded in <a> elements. Fixed a bug where images were ignored…oops.
Fixes, Better book chooser in Posts
Captions

- Get captions from Wordpress captions [caption] short codes
- Apply the Excerpt as the 1st entry in the caption, then add in picture captions, numbering them.
- Updated photo style
Fixes
cards, fixes

Added support for showing books as scrolling card lists, e.g. a species list.
Update header for the WP plugin to a newer style.

- Update header for plugin to newer style. Not sure it works.
- Updated the MBA card theme