Merge hdfs and common trunk into branch


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-1073@1150969 13f79535-47bb-0310-9956-ffa450edef68
231 files changed
tree: 7cb886ba8368dfd6f636d3b760e7d4be0a3cb773
  1. common/
  2. hdfs/
  3. mapreduce/