To upgrade ver1.4 to ver2.0
1)Find all '_.xxx', modify them to 'xui.xxx';
2)Find all 'Class(', modify them to 'xui.Class(';
3)Find all 'NameSpace(', modify them to 'xui.NameSpace(';
4)If you used following widgets: Range/Poll/TagEditor/ColLayout/Calendar/TimeLine, you have to replace them with other widgets or other solution.
5)If you used 'aqua' or 'blackwhite' theme, you have to use other existing theme.
6)Debug your app in chrome, if you find some undefined properties/events/functions, try to replace or delete them.
7)And if you find other problems you cant solve, just post here, I'll help you out