[PDI-11544]: binary and varbinary data types not supported

There are fix and unit tests.
PDI-5252 - Text File Output does not create header when append option is checked
Merge pull request #483 from pavel-sakun/PDI-5252

PDI-5252 - Text File Output does not create header when append option is checked
Merge pull request #493 from TatsianaKasiankova/PDI-11544

[PDI-11544]: binary and varbinary data types not supported
PDI-11948 - Error in sub-transformation If "KETTLE_DEFAULT_SERVLET_ENCODING" in set to UTF-8.
Merge pull request #472 from pavel-sakun/PDI-11948

PDI-11948 - Error in sub-transformation If "KETTLE_DEFAULT_SERVLET_ENCODING" in set to UTF-8.