Add note about the minimum JDK version

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/codec/trunk@797075 13f79535-47bb-0310-9956-ffa450edef68

Author: Niall Kegan Pemberton

RELEASE-NOTES.txt

@@ -1,4 +1,8 @@
-The commons-codec team is pleased to announce the Codec 1.4 release! 
+$Id$
+
+			 Commons Codec Package
+			    Version 1.4
+			   Release Notes
 
 http://commons.apache.org/codec/
 
@@ -7,6 +11,10 @@ such as Base64 and Hexadecimal. In addition to these widely used encoders and
 decoders, the codec package also maintains a collection of phonetic encoding 
 utilities. 
 
+Compatibility
+o Codec 1.4 is binary compatible with Codec 1.3
+o Codec 1.4 has a minimum requirement of JDK 1.4
+
 Changes in this version include:
 
   New Features:

xdocs/index.xml

@@ -82,6 +82,7 @@ The <a href="cvs-usage.html">subversion repository</a> can be
 </section>
 <!-- ================================================== -->
 <section name="Releases">
+<p>Codec 1.4+ requires a minimum of JDK 1.4</p>
 <p>
 See the
 <a href="http://commons.apache.org/codec/download_codec.cgi">Download Page</a>