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

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1438601 13f79535-47bb-0310-9956-ffa450edef68
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.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1438698 13f79535-47bb-0310-9956-ffa450edef68
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

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1438799 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4443. Remove a trailing '`' character from the HTML code generated by NamenodeJspHelper.generateNodeData(..).  Contributed by Christian Rohling


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1438808 13f79535-47bb-0310-9956-ffa450edef68
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)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1439126 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9241. DU refresh interval is not configurable. Contributed by Harsh J. (harsh)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1439129 13f79535-47bb-0310-9956-ffa450edef68
Merge branch 'trunk' of github.com:griddynamics/yhadoop-common into trunk-gd
Merge branch 'trunk-gd' of github.com:griddynamics/yhadoop-common into fb-YAHOO-219-trunk-gd