HDFS-6717. JIRA HDFS-5804 breaks default nfs-gateway behavior for unsecured config. Contributed by Brandon Li

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1614125 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6739. Add getDatanodeStorageReport to ClientProtocol.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1614215 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10876. The constructor of Path should not take an empty URL as a parameter. Contributed by Zhihai Xu.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1614230 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8069. Enable TCP_NODELAY by default for IPC. (Contributed by Todd Lipcon)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1614242 13f79535-47bb-0310-9956-ffa450edef68