Update CHANGES.txt to reflect recent commits to branch-2.7 and branch-2.6.

(cherry picked from commit fba6e9f5ef3d032986888117b3e53808e7dcf873)

hadoop-mapreduce-project/CHANGES.txt

@@ -439,6 +439,9 @@ Release 2.7.3 - UNRELEASED
     MAPREDUCE-6621. Memory Leak in JobClient#submitJobInternal() (Xuan Gong
     via jlowe)
 
+    MAPREDUCE-6413. TestLocalJobSubmission is failing with unknown host
+    (zhihai xu via jlowe)
+
 Release 2.7.2 - 2016-01-25
 
   INCOMPATIBLE CHANGES
@@ -723,6 +726,9 @@ Release 2.6.5 - UNRELEASED
 
   BUG FIXES
 
+    MAPREDUCE-6413. TestLocalJobSubmission is failing with unknown host
+    (zhihai xu via jlowe)
+
 Release 2.6.4 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-yarn-project/CHANGES.txt

@@ -1275,6 +1275,9 @@ Release 2.7.3 - UNRELEASED
     YARN-3102. Decommisioned Nodes not listed in Web UI (Kuhu Shukla via
     jlowe)
 
+    YARN-3602. TestResourceLocalizationService.testPublicResourceInitializesLocalDir
+    fails Intermittently due to IOException from cleanup. (zhihai xu via xgong)
+
 Release 2.7.2 - 2016-01-25
 
   INCOMPATIBLE CHANGES