move HADOOP-11495 to 2.7

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

@@ -172,9 +172,6 @@ Trunk (Unreleased)
     HADOOP-6964. Allow compact property description in xml (Kengo Seki
     via aw)
 
-    HADOOP-11495. Convert site documentation from apt to markdown
-    (Masatake Iwasaki via aw)
-
     HADOOP-11575. Daemon log documentation is misleading
     (Naganarasimha G R via aw)
 
@@ -628,6 +625,9 @@ Release 2.7.0 - UNRELEASED
 
     HADOOP-11607. Reduce log spew in S3AFileSystem. (Lei (Eddy) Xu via stevel)
 
+    HADOOP-11495. Convert site documentation from apt to markdown
+    (Masatake Iwasaki via aw)
+
   OPTIMIZATIONS
 
     HADOOP-11323. WritableComparator#compare keeps reference to byte array.