MAPREDUCE-5137. AM web UI: clicking on Map Task results in 500 error. Contributed by Thomas Graves


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1466952 13f79535-47bb-0310-9956-ffa450edef68
svn merge -c 1467061 FIXES: MAPREDUCE-5136. TestJobImpl->testJobNoTasks fails with IBM JAVA. Contributed by Amir Sanjar


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Preparing for release 0.23.7

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svn merge -c 1467072 FIXES: HADOOP-9222. Cover package with org.apache.hadoop.io.lz4 unit tests. Contributed by Vadim Bondarev


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1467075 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4981. Add WordMean, WordMedian, WordStandardDeviation to ExamplesDriver. Contributed by Plamen Jeliazkov.

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svn merge -c 1467090 FIXES: HADOOP-9233. Cover package org.apache.hadoop.io.compress.zlib with unit tests. Contributed by Vadim Bondarev


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