Merge -r 708622:708623 from trunk to branch-0.19 to move HADOOP-2421 from 0.19 to 0.18.2 and marking it as a NEW FEATURE.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/core/branches/branch-0.19@708624 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -225,9 +225,6 @@ Release 0.19.0 - Unreleased
     HADOOP-3924. Added a 'KILLED' job status. (Subramaniam Krishnan via
     acmurthy) 
 
-    HADOOP-2421.  Add jdiff output to documentation, listing all API
-    changes from the prior release.  (cutting)
-
   IMPROVEMENTS
 
     HADOOP-4205. hive: metastore and ql to use the refactored SerDe library.
@@ -1004,6 +1001,11 @@ Release 0.18.2 - Unreleased
     HADOOP-4517. Release FSDataset lock before joining ongoing create threads.
     (szetszwo)
  
+  NEW FEATURES
+
+    HADOOP-2421.  Add jdiff output to documentation, listing all API
+    changes from the prior release.  (cutting)
+
 Release 0.18.1 - 2008-09-17
 
   IMPROVEMENTS