Prepare for a release

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@1868860 13f79535-47bb-0310-9956-ffa450edef68

NOTICE

 Apache FOP
-Copyright 1999-2018 The Apache Software Foundation
+Copyright 1999-2019 The Apache Software Foundation
 
 This product includes software developed at
 The Apache Software Foundation (http://www.apache.org/).

README

   RELEASE NOTES
 ==============================================================================
 
-Version 2.3  (Forthcoming)
+Version 2.4
+===========
+
+Major Changes in Version 2.4
+----------------------------
+
+* Require Java 7 or later
+* Drop dependency on Avalon-Framework
+* Add change bar generation
+* Add support for Khmer complex script
+
+This release also contains a number of bug fixes.
+
+Version 2.3
 ===========
 
 Major Changes in Version 2.3

fop/build.xml

   <property name="name" value="fop"/>
   <property name="NAME" value="FOP"/>
   <property name="version" value="2.4.0-SNAPSHOT"/>
-  <property name="year" value="1999-2018"/>
+  <property name="year" value="1999-2019"/>
   <property name="javac.debug" value="on"/>
   <property name="javac.optimize" value="off"/>
   <property name="javac.deprecation" value="on"/>