Now the login-view is missing. A login.php is constructed in './templates/Users/ and the page gets visible.
(Still have to figure-out why it is called a MVC-model, or why it is implemented in this way in CakePHP. I think of the login.php as a view, but it is called a template. I regard a template as something generic to build all pages allike. The view is inside the src-directory, the templates are outside the src-directory. Someday it will be evident, I hope 
).