[clutter/wip/apocalypses/apocalypse-1] docs: Update the release notes

[Emmanuele Bassi <ebassi src gnome org>]

commit b4fd144ea20880ec566d8fe59833d3118cfa22f4
Author: Emmanuele Bassi <ebassi linux intel com>
Date:   Thu Dec 8 14:33:06 2011 +0000

    docs: Update the release notes

 README.in |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/README.in b/README.in
index 9ab556a..299415b 100644
--- a/README.in
+++ b/README.in
@@ -289,6 +289,15 @@ features).
 Release Notes for Clutter 1.10
 -------------------------------------------------------------------------------
 
+â ClutterActor now implements ClutterContainer, and takes over the entire API
+  for modifying the scene graph; this means that every actor can have children
+  and it's not necessary any more to implement the ClutterContainer interface.
+  ClutterActor provides new API to replace clutter_actor_set_parent() and
+  clutter_actor_unparent(), as well as a default implementation of every
+  Container virtual function. Existing actors overriding ClutterContainer and
+  providing an alternate implementation will continue to work, even though it
+  is strongly encouraged to port to the new API.
+
 â ClutterDeformEffect switched from using CoglVertexBuffer to using the
   CoglPrimitive API internally, to improve performance and use non-deprecated
   Cogl API. CoglPrimitive converts COGL_WRAP_MODE_AUTOMATIC to