CSP1150 A1: theGridLayout variable now private instead of protected, added setters/getters
CSP1150 A1: all HitViewer fields now private, added protected method to init image
CSP1150 A1: fixed comments, removed commented code
CSP1150 A1: removed unnecessary this
CSP1150 A1: changed some method access from public to protected
CSP1150 A1: changed some method access from public to protected
CSP1150 A1: removed unnecessary this, fixed comment