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