fixed scenery#38 with JO (combo box popup works every other time)
remove debug output in ComboBoxNode, update TODO list with ComboBoxNode items
remove "Node" suffix from type names that are UI components or clearly have no analogous model element
remove "Node" suffix from type names that are UI components or clearly have no analogous model element
remove "Node" suffix from type names that are UI components or clearly have no analogous model element
remove "Node" suffix from type names that are UI components or clearly have no analogous model element