HADOOP-9581. hadoop --config non-existent directory should result in error. Contributed by Ashwin Shankar


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1491548 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5308. Shuffling to memory can get out-of-sync when fetching multiple compressed map outputs. Contributed by Nathan Roberts


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1491611 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4752. TestRBWBlockInvalidation fails on Windows due to file locking. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1491631 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9604. Javadoc of FSDataOutputStream is slightly inaccurate. Contributed by Jingguo Yao.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1491668 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4878. On Remove Block, block is not removed from neededReplications queue. Contributed by Tao Luo.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1491671 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9630. [RPC v9] Remove IpcSerializationType. (Junping Du via llu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1491682 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'apache/trunk' into YARN-731
Fix small nits