Update changelog !cosmetic

Author: acdha

docs/changelog.rst

@@ -7,6 +7,13 @@ Changelog
 New
 ~~~
 
+- `update_index` will retry after backend failures. [Gilad Beeri]
+
+  Now `update_index` will retry failures multiple times before aborting
+  with a progressive time delay.
+
+  Thanks to Gilad Beeri (@giladbeeri) for the patch
+
 - `highlight()` accepts custom values on Solr and ES. [Chris Adams]
 
   This allows the default values to be overriden and arbitrary
@@ -46,6 +53,13 @@ New
 Changes
 ~~~~~~~
 
+- Update_index logging & multiprocessing improvements. [Chris Adams]
+
+  * Since older versions of Python are no longer supported we no
+    longer conditionally import multiprocessing (see #1001)
+  * Use multiprocessing.log_to_stderr for all messages
+  * Remove previously-disabled use of the multiprocessing workers for index removals, allowing the worker code to be simplified
+
 - Moved signal processor loading to app_config.ready. [Chris Adams]
 
   Thanks to @claudep for the patch
@@ -97,6 +111,8 @@ Fix
 Other
 ~~~~~
 
+- PEP-8. [Chris Adams]
+
 - Merge pull request #1225 from gregplaysguitar/patch-1. [Chris Adams]
 
   fix: correct docstring for ModelSearchForm.get_models !minor
@@ -2235,9 +2251,8 @@ v2.0.0 (2013-05-12)
 - Fixed an ES test that seems like a change in behavior in recent ES
   versions. [Jannis Leidel]
 
-- Merge branch 'sq-run-refactor' of
-  https://github.com/mattdeboard/django-haystack into mattdeboard-sq-
-  run-refactor. [Jannis Leidel]
+- Merge branch 'sq-run-refactor' of https://github.com/mattdeboard
+  /django-haystack into mattdeboard-sq-run-refactor. [Jannis Leidel]
 
 - Refactor Solr & ES SearchQuery subclasses to use the ``build_params``
   from ``BaseSearchQuery`` to build the kwargs to be passed to the