Add release date for 0.20.2 and 0.20.203.0

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20-security-203@1102071 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -1,6 +1,6 @@
 Hadoop Change Log
 
-Release 0.20.203.0 - unreleased
+Release 0.20.203.0 - 2011-5-11
 
     MAPREDUCE-1280. Update Eclipse plugin to the new eclipse.jdt API.
     (Alex Kozlov via szetszwo)
@@ -1668,7 +1668,7 @@ Release 0.20.3 - Unreleased
     HDFS-955. New implementation of saveNamespace() to avoid loss of edits 
     when name-node fails during saving. (shv)
 
-Release 0.20.2 - Unreleased
+Release 0.20.2 - 2010-2-16
 
   BUG FIXES