HADOOP-8816. HTTP Error 413 full HEAD if using kerberos authentication. (moritzmoeller via tucu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1433567 13f79535-47bb-0310-9956-ffa450edef68
YARN-135. Client tokens should be per app-attempt, and should be unregistered on App-finish. Contributed by Vinod Kumar Vavilapalli


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1433570 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4392. Use NetUtils#getFreeSocketPort in MiniDFSCluster. Contributed by Andrew Purtell.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1433578 13f79535-47bb-0310-9956-ffa450edef68