Made the layout of the preferences editor nicer.
Made the layout of the preferences editor nicer.

brunyuriy/crystalvc,KaranDagar/crystalvc,KaranDagar/crystalvc,SoftwareEngineeringToolDemos/FSE-2011-Crystal,SoftwareEngineeringToolDemos/FSE-2011-Crystal,brunyuriy/crystalvc,KaranDagar/FSE-2011-Crystal---old,KaranDagar/FSE-2011-Crystal---old,SoftwareEngineeringToolDemos/FSE-2011-Crystal