Update CHANGES.txt separately for clean cherry-picks.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1422431 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -19,6 +19,9 @@ Trunk (Unreleased)
 
   IMPROVEMENTS
 
+    HADOOP-8561. Introduce HADOOP_PROXY_USER for secure impersonation in child
+    hadoop client processes. (Yu Gao via llu)
+
     HADOOP-8017. Configure hadoop-main pom to get rid of M2E plugin execution
     not covered (Eric Charles via bobby)
 
@@ -143,6 +146,9 @@ Trunk (Unreleased)
 
   BUG FIXES
 
+    HADOOP-9041. FsUrlStreamHandlerFactory could cause an infinite loop in
+    FileSystem initialization. (Yanbo Liang and Radim Kolar via llu)
+
     HADOOP-8418. Update UGI Principal classes name for running with
     IBM JDK on 64 bits Windows.  (Yu Gao via eyang)