PDI-11615 - Keep code in line with Pentaho CheckStyle rules
PDI-11615 - Keep code in line with Pentaho CheckStyle rules - General
warning and error fixes after updating to latest CheckStyle
[PDI-11907] write final buffered rows to MonetDB
Merge pull request #492 from scottyaslan/devBranch

[<a href='http://jira.pentaho.com/browse/PDI-11907' target='_blank'>PDI-11907</a>] write final buffered rows to MonetDB
[PDI-11190]: Do not create file at start is still creating zero byte files

There are fix and unit test.
Merge pull request #491 from mattcasters/master

PDI-11615 - Keep code in line with Pentaho CheckStyle rules : kettle5-log4j-plugin
Merge pull request #494 from TatsianaKasiankova/PDI-11190

[PDI-11190]: Do not create file at start is still creating zero byte files
[CLEANUP]: Add core plugins to checkstyle coverage