MAPREDUCE-4920. Use security token protobuf definition from hadoop common. Contributed by Suresh Srinivas.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1429751 13f79535-47bb-0310-9956-ffa450edef68
YARN-170. Change NodeManager stop to be reentrant. Contributed by Sandy Ryza.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1429796 13f79535-47bb-0310-9956-ffa450edef68