MAPREDUCE-5604. TestMRAMWithNonNormalizedCapabilities fails on Windows due to exceeding max path length. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1538035 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5037. Active NN should trigger its own edit log rolls. Contributed by Andrew Wang.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1538059 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10079. log a warning message if group resolution takes too long (cmccabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1538108 13f79535-47bb-0310-9956-ffa450edef68
Move HDFS-5035 to 2.2.1 in CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1538124 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5344. Make LsSnapshottableDir as Tool interface implementation. Contributed by Sathish.



git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1538156 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9478. Fix race conditions during the initialization of Configuration related to deprecatedKeyMap (cmccabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1538248 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch: upstream/trunk