MAPREDUCE-5333. Add test that verifies MRAM works correctly when sending requests with non-normalized capabilities. (ywskycn via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1497881 13f79535-47bb-0310-9956-ffa450edef68
YARN-883. Expose Fair Scheduler-specific queue metrics. (sandyr via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1497885 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