YARN-573. Shared data structures in Public Localizer and Private Localizer are not Thread safe. Contributed by Omkar Vinit Joshi


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1509389 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5428.  HistoryFileManager doesn't stop threads when service is stopped. Contributed by Karthik Kambatla


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1509401 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9801. Configuration#writeXml uses platform defaulting encoding, which may mishandle multi-byte characters. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1509405 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch upstream/$:{upbranch}