Add a changenote. [ci skip]

CHANGES.txt

@@ -1,23 +1,22 @@
 Change History
 ==============
 
-1.1-dev - unreleased
---------------------
-
-- Added experimental Docker support. See #374.
-
 1.0.0-alpha.4 - unreleased
 --------------------------
 
+- Added experimental Docker support. See #374.
+
 - Allow restricting *add views* to specific contexts. This allows third party
-  developers to register new content types that are addable in specific 
+  developers to register new content types that are addable in specific
   type of contexts, by specifying ``context=SomeContentType`` in their
   *add view* registration and having ``type_info.addable=['SomeContentType']``
   in the type info.
 
 - For documents with duplicate titles that end in a number, append a counter
   instead of incrementing their number. Fixes #245
 
+- Update all requirements (except alembic) to their latest respective versions.
+
 1.0.0-alpha.3 - 2015-01-13
 --------------------------