HDFS-5323.  Remove some deadcode in BlockManager (Colin Patrick McCabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1530814 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5102. fix coverage org.apache.hadoop.mapreduce.lib.db and org.apache.hadoop.mapred.lib.db. Contributed by Aleksey Gorshkov, Andrey Klochkov, and Nathan Roberts


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1530816 13f79535-47bb-0310-9956-ffa450edef68
YARN-1283. Fixed RM to give a fully-qualified proxy URL for an application so that clients don't need to do scheme-mangling. Contributed by Omkar Vinit Joshi.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1530819 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10031. FsShell -get/copyToLocal/moveFromLocal should support Windows local path. Contributed by Chuan Liu.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1530823 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5337. should do hsync for a commit request even there is no pending writes. Contributed by Brandon Li

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1530835 13f79535-47bb-0310-9956-ffa450edef68