HDFS-5467. Remove tab characters in hdfs-default.xml. Contributed by Shinichi Yamashita.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1540815 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1540813 FIXES: MAPREDUCE-5186. mapreduce.job.max.split.locations causes some splits created by CombineFileInputFormat to fail. Contributed by Robert Parker and Jason Lowe


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1540819 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/branch-2' into branch-2-gd
Merge remote branch 'origin/branch-2-gd' into fb-MAPREDUCE-4884-branch-2-gd