Fedora's Directory server project (formerly 'fedora directory') has been renamed to 389 (http://directory.fedoraproject.org). As such, the packages required have been renamed to 389-* packages.
Install the base of what you're going to need for the server.
sudo yum install 389-ds --enablerepo=updates-testing
It will prompt you for a number of settings, typically it's okay to just keep hitting 'enter' until it prompts you for a password. This password will be the DirectoryManager user. The global administrator for the domain.
Once the script has finished, the server should be functional.