- Added maintenance page. - Completed theming of book pages. - Completed theming of comments and comment form. - Other minor improvements.
Fixes applied after running drupal-check
Fixes #3361119: Colorbox library definition license is missing URL: adds license URLs to libraries definition file to prevent PHP notice in Drupal 10.1
#3359687: Can not install the latest version on Drupal 8 #3357430: Can't save default field value after 1.4 upgrade