HDFS-5078 Support file append in NFSv3 gateway to enable data streaming to HDFS. Contributed by Brandon Li

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518292 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9910. proxy server start and stop documentation wrong. Contributed by Andre Kelpe. (harsh)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518296 13f79535-47bb-0310-9956-ffa450edef68
Addendum to HADOOP-9910 for trunk. Removed bad characters from CHANGES.txt note that was causing odd issues.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518302 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9906. Move HAZKUtil to o.a.h.util.ZKUtil and make inner-classes public (Karthik Kambatla via Sandy Ryza)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518303 13f79535-47bb-0310-9956-ffa450edef68
Adding and removing files missed for HADOOP-9906

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1518306 13f79535-47bb-0310-9956-ffa450edef68