Added the tooltip to the error icons that describes the error.
Added the tooltip to the error icons that describes the error.

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