CSP1150 A1: changed gridsize access from protected to private
CSP1150 A1: changed SAMPLES access from protected to private
CSP1150 A1: changed hits[][] access from protected to private
CSP1150 A1: changed min-max access from protected to private
CSP1150 A1: changed areaMonte access from protected to private
CSP1150 A1: changed some ShapeModel methods from public to protected
CSP1150 A1: updated readme
CSP1150 A1: changed gbc_button access from protected to private
CSP1150 A1: created new interface that returns gridbag constraints
CSP1150 A1: only protected field remains in PanelGridLayout, need to figure out how to make private, will affect HitViewer classes.