docs and changelog update

Author: kennethlove

docs/changelog.rst

@@ -5,6 +5,8 @@ Changelog
 =========
 
 * :feature:`198` New :ref:`OrderableListMixin` allows to switch the default ordering setting from `asc` to `desc`.
+* :support:`215` Imports updated for Django 2.0.
+* :feature:`204` New :ref:`HeaderMixin` that allows custom headers to be set on a view.
 * :release:`1.10.0 <2016-10-24>`
 * :bug:`212 major` Small changes for Django 1.10 compatibility.
 * :bug:`211 major` ReadTheDocs links updated.

docs/other.rst

@@ -609,7 +609,7 @@ If you need to change the name of the method called, provide a new value to the
 HeaderMixin
 -------------
 
-.. versionadded:: 1.9
+.. versionadded:: 1.11
 
 This mixin allows you to add arbitrary HTTP header to a response. Static headers can be defined in the ``headers`` attribute of the view.