v1.1.0

• Feature: deprecate prism-languages in favor of require('prismjs').languages. Automatically load syntax definitions from prismjs/components folder.
• Improved: upgrade Prism.js to v1.5.1
• Fixed: json syntax highlighting now uses native json highlighter instead of javascript
• Fixed: closes #6. Ability to introduce custom styles for syntax highlighting in book.json. Defaults to prismjs/themes/prism.css.

"pluginsConfig": {  
  "prism": {
    "css": [
      "prismjs/themes/prism-solarizedlight.css"
    ]
  }
}