Preparing for hadoop-2.0.3-alpha release.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.0.3-alpha@1442961 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -1,6 +1,6 @@
 Hadoop Change Log
 
-Release 2.0.3-alpha - Unreleased 
+Release 2.0.3-alpha - 2013-02-06 
 
   INCOMPATIBLE CHANGES
 

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -1,6 +1,6 @@
 Hadoop HDFS Change Log
 
-Release 2.0.3-alpha - Unreleased
+Release 2.0.3-alpha - 2013-02-06
 
   INCOMPATIBLE CHANGES
 

hadoop-mapreduce-project/CHANGES.txt

@@ -1,10 +1,10 @@
 Hadoop MapReduce Change Log
 
-Release 2.0.3-alpha - Unreleased
-  
+Release 2.0.3-alpha - 2013-02-06 
+
   INCOMPATIBLE CHANGES
 
-    MAPREDUCE-4123. Remove the 'mapred groups' command, which is no longer 
+    MAPREDUCE-4123. Remove the 'mapred groups' command, which is no longer
     supported. (Devaraj K via sseth)
 
     MAPREDUCE-4938. Use token request messages defined in hadoop common.

hadoop-yarn-project/CHANGES.txt

@@ -1,7 +1,7 @@
 Hadoop YARN Change Log
 
-Release 2.0.3-alpha - Unreleased
-  
+Release 2.0.3-alpha - 2013-02-06 
+
   INCOMPATIBLE CHANGES
 
   NEW FEATURES