HADOOP-12186. ActiveStandbyElector shouldn't call monitorLockNodeAsync multiple times (Contributed by zhihai xu)

Moved CHANGES.txt entry to 2.7.2

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

@@ -930,9 +930,6 @@ Release 2.8.0 - UNRELEASED
     HADOOP-12164. Fix TestMove and TestFsShellReturnCode failed to get command
     name using reflection. (Lei (Eddy) Xu)
 
-    HADOOP-12186. ActiveStandbyElector shouldn't call monitorLockNodeAsync
-    multiple times (zhihai xu via vinayakumarb)
-
     HADOOP-12117. Potential NPE from Configuration#loadProperty with
     allowNullValueProperties set. (zhihai xu via vinayakumarb)
 
@@ -948,6 +945,9 @@ Release 2.7.2 - UNRELEASED
 
   BUG FIXES
 
+    HADOOP-12186. ActiveStandbyElector shouldn't call monitorLockNodeAsync
+    multiple times (zhihai xu via vinayakumarb)
+
 Release 2.7.1 - 2015-07-06 
 
   INCOMPATIBLE CHANGES