Arturo Montejo Ráez / WBT2425_0

1. The user access the main page of the web application
2. The user clicks on "login" or "signin" link or directly the login form is shown
3. The user enters email and password into the login form
4. If the login fails, a message is shown to the user specifying that the credentials were wrong
5. If the login success, the user is redirected to the main entry page of their personal space