svn merge -c 1509475 FIXES: Correct fix versions for MAPREDUCE-5428 and YARN-573.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1509476 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1509499 FIXES: Update fix versions for JIRAs pulled from branch-2 into branch-2.1-beta.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1509501 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/branch-2' into branch-2-gd
Merge remote branch 'origin/branch-2-gd' into fb-MAPREDUCE-4884-branch-2-gd