Add target, .classpath, .project and .settings to svn:ignore.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1514127 13f79535-47bb-0310-9956-ffa450edef68
Merge -c 1514135 from trunk to branch-2 to fix YARN-1056. Remove dual use of string 'resourcemanager' in yarn.resourcemanager.connect.{max.wait.secs|retry_interval.secs}. Contributed by Karthik Kambatla.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1514136 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9875.  TestDoAsEffectiveUser can fail on JDK 7.  (Aaron T. Myers via Colin Patrick McCabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1514153 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1514156 from trunk for HDFS-4898. BlockPlacementPolicyWithNodeGroup.chooseRemoteRack() fails to properly fallback to local rack.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1514157 13f79535-47bb-0310-9956-ffa450edef68