YARN-716. Making ApplicationID immutable. Contributed by Siddharth Seth.
MAPREDUCE-5282. Updating MR App to use immutable ApplicationID after YARN-716. Contributed by Siddharth Seth.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1487994 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5261. Reverting the patch as it is no longer needed.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1488032 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9287. Parallel-testing hadoop-common. Contributed by Andrey Klochkov


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1488040 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd