HADOOP-9334. Upgrade netty version. Contributed by Nicolas Liochon.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1450463 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
HADOOP-8917. add LOCALE.US to toLowerCase in SecurityUtil.replacePattern. Contributed by Arpit Agarwal.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1450571 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8917. Changed contributed by from Arpit Agarwal to Arpit Gupta.

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Merge remote branch 'origin/trunk' into trunk-gd
MAPREDUCE-5033. mapred shell script should respect usage flags (--help -help -h). Contributed by Andrew Wang.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1450584 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
MAPREDUCE-5008. Merger progress miscounts with respect to EOF_MARKER. Contributed by Sandy Ryza.

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Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-YAHOO-259-trunk-gd