Preparing for 0.22.0 development

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hdfs/trunk@939918 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -1,5 +1,7 @@
 Hadoop HDFS Change Log
 
+Trunk (unreleased changes)
+
 Release 0.21.0 - Unreleased
 
   INCOMPATIBLE CHANGES

src/docs/src/documentation/content/xdocs/tabs.xml

@@ -32,6 +32,6 @@
 
   <tab label="Project" href="http://hadoop.apache.org/hdfs/" />
   <tab label="Wiki" href="http://wiki.apache.org/hadoop/hdfs" />
-  <tab label="HDFS 0.21 Documentation" dir="" />  
+  <tab label="HDFS 0.22 Documentation" dir="" />  
   
 </tabs>