[PDI-9912]: Pentaho Vertica Bulk Load Error IllegalArgumentException

There is a fix.
[PDI-9912][CHECKSTYLE]: Pentaho Vertica Bulk Load Error IllegalArgumentException

There are changes to satisfy Pentaho code standarts as defined in pentaho-coding-standards project.
[PDI-9912][TEST]: Pentaho Vertica Bulk Load Error IllegalArgumentException

There are some changes to implement jUnit tests for this project and the tests.