Update README.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/commons/branches/commons-1_3_1@662740 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/README b/README
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--- a/README
+++ b/README
@@ -73,6 +73,12 @@
 For more detailed info about the changes, please see:
 http://xmlgraphics.apache.org/commons/changes.html
 
+Version 1.3.1
+--------------
+
+This release is mostly a bugfix release for the image loading framework that
+has been introduced in version 1.3.
+
 Version 1.3
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