HDFS-4329. DFSShell issues with directories with spaces in name (Cristina L. Abad via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.1.0-beta@1516916 13f79535-47bb-0310-9956-ffa450edef68
Merge pull request #31 from apache/branch-2.1.0-beta

HDFS-4329. DFSShell issues with directories with spaces in name (Cristin...