ref #10186: remove conversation holder
adapt TaxEditor to Schema changes v5.8.1
- moved ICdmFormElement to ui.element
- ordered GUI and control classes in packages - converted FieldObservationDetails element
- moved ICdmFormElement to campanula.compatibility
- completely removed DetailType enum and all its uses
Refactoring of selection elements. Additional minor refactoring. Fixed a bug with Translation Editor (#2752)
refactoring of package names for consistency
Fixes #2413
had to rename the packages to make them compliant with buckminster