Temporarily adding startQueryBuilderButton to
EnhancedSearchViewController, view and fxml; adding new
QueryBuilderViewI; adding DragAndDropTreeCell and
DragAndDropTreeCellExample; adding ObjectWithTemporaryUniqueId and
TemporaryUniqueIdCache; adding QueryBuilderView,
QueryBuilderViewController and QueryBuilderView.fxml; adding
QueryNodeType enum for listing and constructing Query tree item nodes;
adding NodeDraggable, ParentNodeDraggable and extending and implementing
interfaces and classes, including logical and assertion nodes, for
manipulation in QueryBuilderView TreeView