HADOOP-10462. DF#getFilesystem is not parsing the command output. Contributed by Akira AJISAKA.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1584571 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10456. Bug in Configuration.java exposed by Spark (ConcurrentModificationException). Contributed by Nishkam Ravi.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1584575 13f79535-47bb-0310-9956-ffa450edef68