Update NOTICE to include IBM copyright migrated from Symphony headers. Added link to AOO homepage.

NOTICE

-Apache OpenOffice
+Apache OpenOffice (http://www.openoffice.org)
 Copyright 2011, 2013 The Apache Software Foundation
 
 This product includes software developed at
@@ -9,6 +9,8 @@ ____
 
 Portions of this software copyright (c) 2000-2011, Oracle and/or its affiliates  <http://www.oracle.com/>.
 
+Portions of this software (C) Copyright IBM Corporation 2003, 2012.  All Rights Reserved.
+
 ____
 
 As part of the base system this product also includes code from the following