There is a new installation procedure and that manual has not yet been updated with it. Just make sure your templates/compiled/ folder is writable and then just access the site to use the visual configuration wizard. Take a look at this movie that elaborates more on the process:
http://www.fmwebschool.com/movies/dolphin_setup_wizard/dolphin_setup_wizard.htmlIt's much more user friendly then our previous install method.

Best Regards,
Michael Petrov