YARN-841. Move Auxiliary service to yarn-api, annotate and document it. Contributed by Vinod Kumar Vavilapalli.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494031 13f79535-47bb-0310-9956-ffa450edef68
YARN-799. Fix CgroupsLCEResourcesHandler to use /tasks instead of /cgroup.procs. Contributed by Chris Riccomini.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494035 13f79535-47bb-0310-9956-ffa450edef68
YARN-846.  Move pb Impl classes from yarn-api to yarn-common. Contributed by Jian He.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1494052 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-HADOOP-9281-trunk-gd