Adding 2.0.5-alpha release to CHANGES.txt files of branch-2

Also updating current version to 2.1.0-beta in the CHANGES.txt files

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1488585 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -1,6 +1,6 @@
 Hadoop Change Log
 
-Release 2.0.5-beta - UNRELEASED
+Release 2.1.0-beta - UNRELEASED
 
   INCOMPATIBLE CHANGES
 
@@ -379,7 +379,7 @@ Release 2.0.5-beta - UNRELEASED
 
     HADOOP-9605. Update junit dependency. (Timothy St. Clair via cos)
 
-Release 2.0.4-alpha - 2013-04-25 
+Release 2.0.5-alpha - UNRELEASED
 
   INCOMPATIBLE CHANGES
 

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

@@ -1,6 +1,6 @@
 Hadoop HDFS Change Log
 
-Release 2.0.5-beta - UNRELEASED
+Release 2.1.0-beta - UNRELEASED
 
   INCOMPATIBLE CHANGES
 
@@ -783,6 +783,18 @@ Release 2.0.5-beta - UNRELEASED
     HDFS-4848. copyFromLocal and renaming a file to ".snapshot" should output 
     that ".snapshot" is a reserved name. (Jing Zhao via brandonli)
 
+Release 2.0.5-alpha - UNRELEASED
+
+  INCOMPATIBLE CHANGES
+
+  NEW FEATURES
+
+  IMPROVEMENTS
+
+  OPTIMIZATIONS
+
+  BUG FIXES
+
 Release 2.0.4-alpha - 2013-04-25
 
   INCOMPATIBLE CHANGES

hadoop-mapreduce-project/CHANGES.txt

@@ -1,6 +1,6 @@
 Hadoop MapReduce Change Log
 
-Release 2.0.5-beta - UNRELEASED
+Release 2.1.0-beta - UNRELEASED
 
   INCOMPATIBLE CHANGES
 
@@ -359,7 +359,7 @@ Release 2.0.5-beta - UNRELEASED
     MAPREDUCE-5177. Use common utils FileUtil#setReadable/Writable/Executable & 
     FileUtil#canRead/Write/Execute. (Ivan Mitic via suresh)
 
-Release 2.0.4-alpha - 2013-04-25
+Release 2.0.5-alpha - UNRELEASED
 
   INCOMPATIBLE CHANGES
 

hadoop-yarn-project/CHANGES.txt

@@ -1,6 +1,6 @@
 Hadoop YARN Change Log
 
-Release 2.0.5-beta - UNRELEASED
+Release 2.1.0-beta - UNRELEASED
 
   INCOMPATIBLE CHANGES
 
@@ -424,6 +424,18 @@ Release 2.0.5-beta - UNRELEASED
     YARN-493. Fixed some shell related flaws in YARN on Windows. (Chris Nauroth
     via vinodkv)
 
+Release 2.0.5-alpha - UNRELEASED
+
+  INCOMPATIBLE CHANGES
+
+  NEW FEATURES
+
+  IMPROVEMENTS
+
+  OPTIMIZATIONS
+
+  BUG FIXES
+
 Release 2.0.4-alpha - 2013-04-25 
 
   INCOMPATIBLE CHANGES