YARN-1185. Fixed FileSystemRMStateStore to not leave partial files that prevent subsequent ResourceManager recovery. Contributed by Omkar Vinit Joshi.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1533803 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch: upstream/trunk