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[SP-785] Backport of PDI-10113

Conflicts:
	core/src/org/pentaho/di/core/vfs/KettleVFS.java
	engine/src/org/pentaho/di/trans/steps/textfileoutput/TextFileOutput.java
PDI-10701 - Parameter options fix - backport
Merge pull request #176 from brosander/SP-539-recherrypick

PDI-10701 - Parameter options fix - backport
iSP-393 -Patch request for PDI-10242 - CSV Input Step - Unable to pass file encoding as parameter (5.0)

What was done :
1) changed the way get fields button initializes the process
[SP-487] Backport for PDI-2753

PDI-2753 validation failing in "Get sequence value from database" step
Merge pull request #179 from kolinus/SP-393-rebased

SP-393 -Patch request for PDI-10242 - CSV Input Step - Unable to pass file encoding as parameter (5.0)
Merge pull request #172 from askdzmitry/SP-785

SP-785 Backport of PDI-10113 - Unable to output a text file using the 'S3 file output' step (5.0)
[SP-482] to 5.0 Patch request for PDI-5033 - GreenPlum bulk loader always truncates irrelevant of choice made
Merge pull request #182 from stepanovdg/SP-482

[SP-482] to 5.0 Patch request for PDI-5033 - GreenPlum bulk loader alway...
Merge pull request #180 from askdzmitry/SP-487

[SP-487] Backport for PDI-2753
[SP-965] Updating metadata property to standard form for release build.
[SP-965] Removing redundant non-standard metadata property.
Formatting, Checkstyle
PDI-10836 - Salesforce Insert - Date fields are incorrectly converted
SP-642 Backport of PDI-10748
Merge pull request #222 from askdzmitry/SP-642

SP-642 Backport of PDI-10748
PDI-11172 - Adding unit test framework for load/save roundtrip
Merge pull request #230 from pavel-sakun/SP-881

SP-881 Backport of PDI-10836 - Salesforce Insert - Date fields are incorrectly converted (5.0)
Merge pull request #234 from brosander/SP-995

PDI-11172 - Adding unit test framework for load/save roundtrip