BK-768 Create sections functionality in editing interface
BK-769 Option to create and remove sections in the editor
BK-770 User should be able to hold/unhold chapters in the new editor
BK-771 Add preformatted option to the list of text styles
BK-772 Buttons in book menu should be toggable
BK-773 Basic Aloha plugin for inserting links
BK-778 Password change is broken at profile page
BK-774 Delete chapters on hold
BK-776 Renaming chapters and sections in the Table of Contents interface