Setting release date for 3.1

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@1202079 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/site/changes/changes.xml b/src/site/changes/changes.xml
index ce3467e..43b6a05 100644
--- a/src/site/changes/changes.xml
+++ b/src/site/changes/changes.xml
@@ -21,7 +21,7 @@
   </properties>
   <body>
 
-  <release version="3.1" date="unreleased" description="September release">      
+  <release version="3.1" date="2011-11-14" description="November release">      
     <action type="add" issue="LANG-760">Add API StringUtils.toString(byte[] intput, String charsetName)</action>
     <action type="update" issue="LANG-758">Add an example with whitespace in StringUtils.defaultIfEmpty</action>
     <action type="add" issue="LANG-756">Add APIs ClassUtils.isPrimitiveWrapper(Class&lt;?&gt;) and isPrimitiveOrWrapper(Class&lt;?&gt;)</action>