Fixes #2357
Fixes #2361
Removing "collectors number" according to #2269
Fixes #2358
Fixes #2360
Fixes #2359
Added a warning dialog for unimplemented functionality
Finalizing PolytomousKeyListEditor
Fixes #2338
Changes in details view get propagated to editor. Fixed a bug in MultilanguageTextElement implementation
PolytomousKeyNodeDetailElement now shows the parent's question.
New wizards are not finishable when no data was entered
Improving polytomous key handling
Refactoring selection elements so they can be configured
Fixes #2312
Fixes #2309
Fixes #2269
fixes #1118
had to rename the packages to make them compliant with buckminster