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/trunk@1516904 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4947 Add NFS server export table to control export by hostname or IP range. Contributed by Jing Zhao

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1517040 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5478. TeraInputFormat unnecessarily defines its own FileSplit subclass (Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1517046 13f79535-47bb-0310-9956-ffa450edef68