Bug ZK-2308: ESC does not always work to close a datebox
Bug ZK-2305: Horizontal scrollbar of Listbox covers the last item from being clicked
Bug ZK-2310: When maximize the panel in portallayout, add another panel will cause js error
Bug ZK-2303: Turkish Constraint Message is wrong for : NO_NEGATIVE
Bug ZK-2313: Listbox's scrollIntoView should be consistent by invoking with setSelectedIndex(), setSelectedItem(), and Listitem's setSelected()
and re-fix ZK-1483 again.
Bug ZK-2314: Tree component causes JS error