Reviewed-by: bchristi

Reviewed-by: alexp

Summary: Removed unnecessary castings and other warnings
Reviewed-by: alexp
Contributed-by: NFlorian Brunner <fbrunnerlist@gmx.ch>

6707406: BasicColorChooserUI tests throw NPE while getColorSelectionModel if isPropertyChanged() returns true
Reviewed-by: peterz, rupashka

Reviewed-by: alexp

Summary: The "Open" button was made default button of FileChooser dialog windows
Reviewed-by: loneid, peterz

Summary: In FileChooser under GTK LaF "Ok" and "Cancel" buttons were made with the same size
Reviewed-by: peterz

Summary: WindowsSliderUI won't use the right mouse button for change slider position
Reviewed-by: alexp

Summary: Removed unnecessary castings and other warnings
Reviewed-by: peterz
Contributed-by: NFlorian Brunner <fbrunnerlist@gmx.ch>

Summary: avoid using constructors when unique values are not necessary
Reviewed-by: volk, igor, peterz