- Moved the intro text (partintro) from reference.xml into the new book.xml
- Created new generic setup.xml with requirements, installation, configuration, and resources
- Created new generic constants.xml
- Changed the intro ID from <extname>.intro to intro.<extname>
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@248872 c90b9560-bf6c-de11-be94-00142212c4b1
