HADOOP-8924. Add maven plugin alternative to shell script to save package-info.java. Contributed by Alejandro Abdelnur and Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1435372 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8924. Revert r1435372 that missed some files

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1435379 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-8924. Add maven plugin alternative to shell script to save package-info.java. Contributed by Alejandro Abdelnur and Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1435380 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-4458. Warn if java.library.path is used for AM or Task (Robert Parker via jeagles)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1435386 13f79535-47bb-0310-9956-ffa450edef68