PDI-11959 Hadoop Job Executor: Jobs using org.apache.hadoop.mapreduce API don't work
Merge pull request #123 from stepanovdg/PDI-11959

PDI-11959 Hadoop Job Executor: Jobs using org.apache.hadoop.mapreduce API don't work
[PDI-11564] As a PDI and Hadoop user, I want PDI to support Kerberos Authentication (Full Shim Non MapR)

Kerberos HDP21 CE part
Seems to work the same as before.
Merge pull request #135 from stepanovdg/PDI-11564

[PDI-11564] As a PDI and Hadoop user, I want PDI to support Kerberos Authentication (Full Shim Non MapR)
[PDI-11564] force shim to build with older version

pentaho-hdfs-vfs 5.0.6 instead of latest from master branch
[PDI-11564] As a PDI and Hadoop user, I want PDI to support Kerberos Authentication (Full Shim Non MapR)

HDFSFileSystem change
Merge pull request #138 from stepanovdg/PDI-11564

[PDI-11564] As a PDI and Hadoop user, I want PDI to support Kerberos Authentication (Full Shim Non MapR)