PRD-4928 - Validate non existence of bug
PR-4962 - Kettle parameter as formulas, helper method added
PR-4962 - Kettle parameter as formulas, design-time-context now holds a data-source context as well.
PR-4962 - Kettle parameter as formulas, Kettle data source now uses formulas for computing parameter and transformation arguments. Use the static helper methods on FormulaArgument and FormulaParameter if you have to interface with old code.