Document the new default and add a changelog entry for the old default.


git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@332944 c90b9560-bf6c-de11-be94-00142212c4b1
Document or at least list assorted Fabric related bits

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@332945 c90b9560-bf6c-de11-be94-00142212c4b1