Update HISTORY.rst and remove the changelog extension.

HISTORY.rst

@@ -1,37 +1,27 @@
-=========
 Changelog
 =========
 
 Here's the recent changes to AST Unparser.
 
-.. changelog::
-    :version: 1.2.0
-    :released: 2014-04-03
-
-    .. change::
-        :tags: general
-
-        Now compatible with Python 2.6 through Python 3.4.
-
-    .. change::
-        :tags: general
-
-        A new function :func:`dump` is added to return a pretty-printed version
-        of the AST. It's also available when running `python -m astunparse` as
-        the `--dump` argument.
+1.3.0 - 2016-01-17
+~~~~~~~~~~~~~~~~~~
 
+* Python 3.5 compatibility
 
-.. changelog::
-    :version: 1.1.0
-    :released: 2014-04-01
+1.2.0 - 2014-04-03
+~~~~~~~~~~~~~~~~~~
 
-    .. change::
-        :tags: general
+* Python 2.6 through 3.4 compatibility
+* A new function ``dump`` is added to return a pretty-printed version
+  of the AST. It's also available when running ``python -m astunparse``
+  as the ``--dump`` argument.
 
-        :func:`unparse` will return the source code for an AST. It is pretty
-        feature-complete, and round-trips the stdlib, and is compatible with
-        Python 2.7 and Python 3.4.
+1.1.0 - 2014-04-01
+~~~~~~~~~~~~~~~~~~
 
-        Running `python -m astunparse` will print the round-tripped source for
-        any python files given as argument.
+* ``unparse`` will return the source code for an AST. It is pretty
+  feature-complete, and round-trips the stdlib, and is compatible with
+  Python 2.7 and Python 3.4.
 
+  Running ``python -m astunparse`` will print the round-tripped source
+  for any python files given as argument.

docs/conf.py

@@ -41,7 +41,6 @@
     'sphinx.ext.autodoc',
     'sphinx.ext.viewcode',
     'sphinx.ext.todo',
-    'changelog',
 ]
 
 # Add any paths that contain templates here, relative to this directory.

docs/history.rst

@@ -5,4 +5,4 @@ History
 =======
 
 .. include:: ../HISTORY.rst
-    :start-line: 5
+    :start-line: 3

docs/requirements.txt

@@ -1,5 +1,4 @@
 pygments
 sphinx
 sphinx_rtd_theme
-changelog
 -r../requirements.txt