add button to select default source in distribution editor
ref #7063: work in progress: selection in treeview of namedAreas for distribution editor should be more reasonable
ref #7063:fix that the last selection always appears in next field in distribution editor
some more changes in checklist editor
fix #7237: description editor: when status is empty and no description exist, do nothing
fix #7237: add empty entry in combobox and delete distribution if selected in distribution editor
changes in distribution editor
ref #6159: details of selected distr are shown for distr. editor
Checklist editor changes
fix NPE in Distribution Editor
further migration issues for distribution editor
migrate Distribution Editor to e4