Comment out resolutiondial widget
Comment out past/future onion skip spin widgets
Comment out quality(display) widget
Comment out current time widget temporaly
Remove display bar(toolbar)
hide statusbar from UI temporaly

status of application will be replaced with a new widget placing in
global toolbar in final design.
Hide timebar temporaly

always hide timebar, since we have timebar at timetrack panel. in the final
design, timebar will like rulers, and should be call by user on demand. here
I just hide for my ui toolbar implmentation temporaly.