svn merge -c 1438808 from trunk for HDFS-4443. Remove a trailing '`' character from the HTML code generated by NamenodeJspHelper.generateNodeData(..).


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1438809 13f79535-47bb-0310-9956-ffa450edef68