Fix label issue for classification with no label
Fix Ticket #4592
Refactoring of selection elements. Additional minor refactoring. Fixed a bug with Translation Editor (#2752)
refactoring of package names for consistency
Refactoring of property change handling. Also fixes #2363
New wizards are not finishable when no data was entered
Refactoring selection elements so they can be configured
had to rename the packages to make them compliant with buckminster