HADOOP-8857. hadoop.http.authentication.signature.secret.file docs should not state that secret is randomly generated. (tucu)

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Merge branch 'trunk' of github.com:griddynamics/yhadoop-common into trunk-gd
HADOOP-9247. Parametrize Clover generateXxx properties to make them re-definable via -D in mvn calls. Contributed by Ivan A. Veselovsky.

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Merge remote-tracking branch 'origin/trunk' into trunk-gd

Conflicts:
	pom.xml
Amending MR CHANGES.txt to reflect that MAPREDUCE-4049/4809/4807/4808 are in branch-2

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HDFS-4443. Remove a trailing '`' character from the HTML code generated by NamenodeJspHelper.generateNodeData(..).  Contributed by Christian Rohling


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Merge branch 'trunk' of github.com:griddynamics/yhadoop-common into trunk-gd
HDFS-4259. Improve pipeline DN replacement failure message. Contributed by Harsh J. (harsh)

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HADOOP-9241. DU refresh interval is not configurable. Contributed by Harsh J. (harsh)

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Merge branch 'trunk' of github.com:griddynamics/yhadoop-common into trunk-gd
Move HADOOP-9247 to release 0.23.7 section in CHANGES.txt

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HDFS-4444. Add space between total transaction time and number of transactions in FSEditLog#printStatistics. Contributed by Stephen Chu.

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Revering MAPREDUCE-2264

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HADOOP-9255. relnotes.py missing last jira (tgraves)

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MAPREDUCE-4803. Remove duplicate copy of TestIndexCache. Contributed by Mariappan Asokan


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HADOOP-9246. Execution phase for hadoop-maven-plugin should be process-resources. Contributed by Karthik Kambatla and Chris Nauroth


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YARN-133. Update web services docs for RM clusterMetrics. Contributed by Ravi Prakash.

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MAPREDUCE-4838. Add additional fields like Locality, Avataar to the JobHistory logs. Contributed by Zhijie Shen


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Reverting HADOOP-9241. To be fixed and reviewed.

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Revert HADOOP-9241 properly this time. Left the core-default.xml in previous commit.

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