merge-update of trunk and disabling GUI-Control separation
rename FieldObservation -> FieldUnit #3566
merged/implemented cdm3.3 model adaptations
merged trunk into branch
Aligning Editor with 3.3 model changes. First phase commit which updates only the classes. Branch not compilable at the moment.
Refactoring of selection elements. Additional minor refactoring. Fixed a bug with Translation Editor (#2752)
refactoring of package names for consistency
had to rename the packages to make them compliant with buckminster