YARN-563. Add the concept of an application-type for each application. Contributed by Mayank Bansal.
MAPREDUCE-5246. Specify application-type at the time of job submission after YARN-563. Contributed by Mayank Bansal.
svn merge --ignore-ancestry -c 1485790 ../../trunk/


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1485792 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8562. Merge r1453486 from trunk

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1485845 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9373. Merge change r1453599 from trunk

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1485850 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9372. Merge r1453637 from trunk

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1485852 13f79535-47bb-0310-9956-ffa450edef68
Merge changes r1453645 for HADOOP-9373, r1453675 for HADOOP-9376, r1453676 for HADOOP-9365, r1454108 for HADOOP-9364.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1485853 13f79535-47bb-0310-9956-ffa450edef68