PDI-10704 - Get rows from result step does not pass rows when
transformation is executed in cluster mode
PDI-11427 - Integration test org.pentaho.di.core.plugins.PluginRegistryTest is unstable
[PDI-11547] - ValueMetaTimestamp not properly handling null in setPreparedStatementValue
Merge pull request #406 from pavel-sakun/PDI-11427

PDI-11427 - Integration test org.pentaho.di.core.plugins.PluginRegistryTest is unstable
[PDI-1791]: Remove log4j.xml from kettle-engine
Merge pull request #409 from mattyb149/PDI-1791

[PDI-1791]: Remove log4j.xml from kettle-engine
[TESTING][CHECKSTYLE]: Add initial ValueMetaBaseTest, fix Checkstyle violations
Merge pull request #411 from mattyb149/add-unit-tests

[TESTING][CHECKSTYLE]: Add initial ValueMetaBaseTest, fix Checkstyle vio...
[PDI-5298] Samples need some fixing [Delete duplicate unusable package-res from engine]
[PDI-5298] Samples need some fixing
[PDI-5298] Samples need some fixing [PDI-11454]
[PDI-11252] Connection JNDI access type is stored as ", " in ktrs rather than "JNDI"
[PDI-5298] Samples need some fixing [PDI-11252]
PDI-11876 Add metadata injection to the MonetDBBulkLoader
Merge pull request #421 from gretchiemoran/PDI-10781

PDI-11876 Add metadata injection to the MonetDBBulkLoader
PDI-11489 - Mapping/Simple Mapping steps forces to /null during usage Specify by reference
Merge pull request #417 from stepanovdg/PDI-5298

PDI-5298/PDI-11367 Samples need some fixing
PDI-10781 Can't find repository when mixing repo and file-based transformations
(One step toward resolving PDI-11844)
[PDI-11461] Hypersonic db has no type TEXT
Merge pull request #381 from dbahdano/PDI-10704

The transformation executed on cluster could get rows from previous trans/jobs since previous result hasn't been set. Do it in this commit.