[1.5.x] Fixed #19516 - Fixed remaining broken links.

Added -n to sphinx builds to catch issues going forward.

Backport of 9b5f64cc6e from master.

docs/ref/contrib/admin/admindocs.txt

@@ -24,7 +24,7 @@ the following:
 
 * Add :mod:`django.contrib.admindocs` to your :setting:`INSTALLED_APPS`.
 * Add ``(r'^admin/doc/', include('django.contrib.admindocs.urls'))`` to
-  your :data:`urlpatterns`. Make sure it's included *before* the
+  your ``urlpatterns``. Make sure it's included *before* the
   ``r'^admin/'`` entry, so that requests to ``/admin/doc/`` don't get
   handled by the latter entry.
 * Install the docutils Python module (http://docutils.sf.net/).

docs/ref/contrib/admin/index.txt

@@ -170,7 +170,7 @@ subclass::
     ``fields`` option (for more complex layout needs see the
     :attr:`~ModelAdmin.fieldsets` option described in the next section). For
     example, you could define a simpler version of the admin form for the
-    ``django.contrib.flatpages.FlatPage`` model as follows::
+    :class:`django.contrib.flatpages.models.FlatPage` model as follows::
 
         class FlatPageAdmin(admin.ModelAdmin):
             fields = ('url', 'title', 'content')
@@ -214,8 +214,8 @@ subclass::
     a dictionary of information about the fieldset, including a list of fields
     to be displayed in it.
 
-    A full example, taken from the :class:`django.contrib.flatpages.FlatPage`
-    model::
+    A full example, taken from the
+    :class:`django.contrib.flatpages.models.FlatPage` model::
 
         class FlatPageAdmin(admin.ModelAdmin):
             fieldsets = (
@@ -359,7 +359,7 @@ subclass::
 
     Note that the key in the dictionary is the actual field class, *not* a
     string. The value is another dictionary; these arguments will be passed to
-    :meth:`~django.forms.Field.__init__`. See :doc:`/ref/forms/api` for
+    the form field's ``__init__()`` method. See :doc:`/ref/forms/api` for
     details.
 
     .. warning::
@@ -588,7 +588,7 @@ subclass::
 
     .. versionadded:: 1.4
 
-    * a class inheriting from :mod:`django.contrib.admin.SimpleListFilter`,
+    * a class inheriting from ``django.contrib.admin.SimpleListFilter``,
       which you need to provide the ``title`` and ``parameter_name``
       attributes to and override the ``lookups`` and ``queryset`` methods,
       e.g.::
@@ -677,7 +677,7 @@ subclass::
 
     * a tuple, where the first element is a field name and the second
       element is a class inheriting from
-      :mod:`django.contrib.admin.FieldListFilter`, for example::
+      ``django.contrib.admin.FieldListFilter``, for example::
 
           from django.contrib.admin import BooleanFieldListFilter
 
@@ -959,10 +959,9 @@ templates used by the :class:`ModelAdmin` views:
 
 .. attribute:: ModelAdmin.delete_selected_confirmation_template
 
-    Path to a custom template, used by the :meth:`delete_selected`
-    action method for displaying a confirmation page when deleting one
-    or more objects. See the :doc:`actions
-    documentation</ref/contrib/admin/actions>`.
+    Path to a custom template, used by the ``delete_selected`` action method
+    for displaying a confirmation page when deleting one or more objects. See
+    the :doc:`actions documentation</ref/contrib/admin/actions>`.
 
 .. attribute:: ModelAdmin.object_history_template
 
@@ -1134,9 +1133,8 @@ templates used by the :class:`ModelAdmin` views:
 
     Since this is usually not what you want, Django provides a convenience
     wrapper to check permissions and mark the view as non-cacheable. This
-    wrapper is :meth:`AdminSite.admin_view` (i.e.
-    ``self.admin_site.admin_view`` inside a ``ModelAdmin`` instance); use it
-    like so::
+    wrapper is ``AdminSite.admin_view()`` (i.e. ``self.admin_site.admin_view``
+    inside a ``ModelAdmin`` instance); use it like so::
 
         class MyModelAdmin(admin.ModelAdmin):
             def get_urls(self):
@@ -1156,7 +1154,7 @@ templates used by the :class:`ModelAdmin` views:
 
     If the page is cacheable, but you still want the permission check to be
     performed, you can pass a ``cacheable=True`` argument to
-    :meth:`AdminSite.admin_view`::
+    ``AdminSite.admin_view()``::
 
         (r'^my_view/$', self.admin_site.admin_view(self.my_view, cacheable=True))