Refs #17209 -- Added LoginView and LogoutView class-based views

Thanks Tim Graham for the review.

docs/ref/contrib/auth.txt

@@ -93,7 +93,7 @@ Fields
         if you want to allow inactive users to login. In this case, you'll also
         want to customize the
         :class:`~django.contrib.auth.forms.AuthenticationForm` used by the
-        :func:`~django.contrib.auth.views.login` view as it rejects inactive
+        :class:`~django.contrib.auth.views.LoginView` as it rejects inactive
         users. Be aware that the permission-checking methods such as
         :meth:`~django.contrib.auth.models.User.has_perm` and the
         authentication in the Django admin all return ``False`` for inactive
@@ -582,7 +582,7 @@ The following backends are available in :mod:`django.contrib.auth.backends`:
 
    When using this backend, you'll likely want to customize the
    :class:`~django.contrib.auth.forms.AuthenticationForm` used by the
-   :func:`~django.contrib.auth.views.login` view by overriding the
+   :class:`~django.contrib.auth.views.LoginView` by overriding the
    :meth:`~django.contrib.auth.forms.AuthenticationForm.confirm_login_allowed`
    method as it rejects inactive users.
 

docs/ref/contrib/sites.txt

@@ -436,8 +436,8 @@ Here's how Django uses the sites framework:
   the current :class:`~django.contrib.sites.models.Site` object if you don't
   specify a fully-qualified domain.
 
-* In the :mod:`authentication framework <django.contrib.auth>`, the
-  :func:`django.contrib.auth.views.login` view passes the current
+* In the :mod:`authentication framework <django.contrib.auth>`,
+  :class:`django.contrib.auth.views.LoginView` passes the current
   :class:`~django.contrib.sites.models.Site` name to the template as
   ``{{ site_name }}``.
 

docs/ref/settings.txt

@@ -2736,8 +2736,8 @@ the URL in two places (``settings`` and URLconf).
 
 Default: ``None``
 
-The URL where requests are redirected after a user logs out using the
-:func:`~django.contrib.auth.views.logout` view (if the view doesn't get a
+The URL where requests are redirected after a user logs out using
+:class:`~django.contrib.auth.views.LogoutView` (if the view doesn't get a
 ``next_page`` argument).
 
 If ``None``, no redirect will be performed and the logout view will be