def getUserInfo(user_id):
    """Return a dictionary of details for `user_id'.
            info = {'name'      : 'no name',
                    'email'     : 'no email',
                    'userid'    : 'no user id',
                    'firstname' : 'no first name',
                    'lastname'  : 'no last name',
                    'url'       : 'no url',}
        """
