CSP1150 A1: greyscale image now attached to panelAnnulusGraphic. Not repainting correctly.
CSP1150 A1: attempting repaint
CSP1150 A1: new method GreyscaleHitViewerPanel, called by controller, clearing image still not working
CSP1150: clearing image still doesn't work but now getting errors are runtime though they disappear
CSP1150 A1: added clearImage() in HitViewerPanel, not working
CSP1150 A1: model's setRadius method now calls the calculation methods
CSP1150 A1: removed unecessary 'this.'
CSP1150 A1: split view to two methods, left and right.
CSP1150 A1: corrected comments and javadocs
CSP1150 A1: moved more code to createRightElement()
Merge branch 'greyscale'
CSP1150 A1: fixed javadocs