Bug fixed for that the node is invisible.
Merge remote-tracking branch 'upstream/6.5'
* Bug fixed for ZK-2211 Popup position not properly fixed in listbox
Merge remote-tracking branch 'upstream/6.5'
Bug fixed ZK-2207: Dropupload Component support anchor
http://tracker.zkoss.org/browse/ZK-2207
Bug ZK-2221: Biglistbox JS errors, when the Matrix model returns zero sizes
* Bug fixed ZK-2220: Biglistbox with frozen horizontal scrollbar problems
  fixed in the commit number - 365e8e955cd1a8a8ed0f383ddf17aec345ac971a
Bug ZK-2219: Header getting sometimes out of synch with cells in Biglistbox
Bug ZK-2216: Performance issue of Listbox and Combobox with inplace="true"
Bug ZK-2195: Focus input in modal window in IE
Bug ZK-2194: Clients.scrollIntoView() not working on a listitem within a listbox without scrollbar, but the enclosing page has a scrollbar
Bug ZK-2218: Buggy log message '%s'
* Feature ZK-2226: Portallayout should support resizable portalchildren
* Bug ZK-1235: Resizing of Panels in Portal Layout is very buggy
fine tune
Feature added ZK-2227: ZK Messages support Polish lang
http://tracker.zkoss.org/browse/ZK-2227
Bug fixed B65-ZK-2210: improve zk portlet 2 integration
http://tracker.zkoss.org/browse/ZK-2210
Merge remote-tracking branch 'Noah/F65-ZK-2227' into 6.5
Merge remote-tracking branch 'upstream/6.5'
Bug ZK-2228: Scroll position is reset after resizing column headers of listbox or grid with native scrollbar [IE9]
Bug fixed B70-ZK-2199: Some columns disappeared after resizing "percentage width" columns
http://tracker.zkoss.org/browse/ZK-2199