Adds select_node(), deselect_node() and get_selected_descendants() and uses them to cascade selection down.
Adds select_node(), deselect_node() and get_selected_descendants() and uses them to cascade selection down.

vakata/jstree,iCasa/jstree,iCasa/jstree,vakata/jstree,Project-TF/jstree,duzun/jstree,Project-TF/jstree,duzun/jstree,iCasa/jstree