Add links to new release notes documentation (#1848)

Signed-off-by: Kevin Wheatley <kevin.wheatley@framestore.com>
Co-authored-by: Doug Walker <doug.walker@autodesk.com>

CHANGELOG.md

@@ -3,8 +3,13 @@
 
 This file documents releases up to 1.1.1.  For a description of version 2.0 and later
 please refer to the Releases page on GitHub:
+
 https://github.com/AcademySoftwareFoundation/OpenColorIO/releases
 
+and for more details please see the release notes in latest documentation pages:
+
+https://opencolorio.readthedocs.io/en/latest/releases/_index.html#releases
+
 **Version 1.1.1 (April 2 2019):**
     * Added optional compatibility for building apps with OpenImageIO 1.9+
     * Added USE_SSE checks to fix Linux build failure

README.md

@@ -72,6 +72,7 @@ Web Resources
 -------------
 
 * Website: <http://opencolorio.org>
+* Documentation: <https://opencolorio.readthedocs.io/en/latest/>
 * Mailing lists:
   * Developer: <ocio-dev@lists.aswf.io>
   * User: <ocio-user@lists.aswf.io>
@@ -99,6 +100,11 @@ The following reference implementations are provided:
 * Other
   * nuke-default
 
+Sources for the newer builtin ACES configuration files can be found in the releases section of the
+[OpenColorIO-Config-ACES](https://github.com/AcademySoftwareFoundation/OpenColorIO-Config-ACES)
+repository.
+
+
 Acknowledgements
 ----------------