Update release date for 2.5.2

(cherry picked from commit 1e9a3f42ff49be788ac99e5f06a7984d1d0638cc)

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

@@ -686,7 +686,7 @@ Release 2.6.0 - 2014-11-18
     of wrapping it as IOException. (Steve Loughran via jianhe)
 
 
-Release 2.5.2 - 2014-11-10
+Release 2.5.2 - 2014-11-19
 
   INCOMPATIBLE CHANGES
 

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

@@ -1026,7 +1026,7 @@ Release 2.6.0 - 2014-11-18
     HDFS-7385. ThreadLocal used in FSEditLog class causes FSImage permission mess
     up. (jiangyu via cnauroth)
 
-Release 2.5.2 - 2014-11-10
+Release 2.5.2 - 2014-11-19
 
   INCOMPATIBLE CHANGES
 

hadoop-mapreduce-project/CHANGES.txt

@@ -234,7 +234,7 @@ Release 2.6.0 - 2014-11-18
     MAPREDUCE-6156. Fetcher - connect() doesn't handle connection refused
     correctly (Junping Du via jlowe)
 
-Release 2.5.2 - 2014-11-10
+Release 2.5.2 - 2014-11-19
 
   INCOMPATIBLE CHANGES
 

hadoop-yarn-project/CHANGES.txt

@@ -881,7 +881,7 @@ Release 2.6.0 - 2014-11-18
     YARN-2853. Fixed a bug in ResourceManager causing apps to hang when the user
     kill request races with ApplicationMaster finish. (Jian He via vinodkv)
 
-Release 2.5.2 - 2014-11-10
+Release 2.5.2 - 2014-11-19
 
   INCOMPATIBLE CHANGES