Set date for hadoop-2.0.2-alpha

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1382199 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -218,7 +218,7 @@ Release 2.0.3-alpha - Unreleased
 
   BUG FIXES
 
-Release 2.0.2-alpha - Unreleased
+Release 2.0.2-alpha - 2012-09-07 
 
   INCOMPATIBLE CHANGES
 

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

@@ -227,7 +227,7 @@ Release 2.0.3-alpha - Unreleased
 
   BUG FIXES
 
-Release 2.0.2-alpha - Unreleased
+Release 2.0.2-alpha - 2012-09-07 
 
   INCOMPATIBLE CHANGES
 

hadoop-mapreduce-project/CHANGES.txt

@@ -138,7 +138,7 @@ Release 2.0.3-alpha - Unreleased
 
   BUG FIXES
 
-Release 2.0.2-alpha - Unreleased 
+Release 2.0.2-alpha - 2012-09-07 
 
   INCOMPATIBLE CHANGES
 

hadoop-yarn-project/CHANGES.txt

@@ -29,7 +29,7 @@ Release 2.0.3-alpha - Unreleased
 
   BUG FIXES
 
-Release 2.0.2-alpha - Unreleased 
+Release 2.0.2-alpha - 2012-09-07 
 
   INCOMPATIBLE CHANGES