test implicit renderer when points are bivectors. added nicer grid and grid labels to 2D SVG. Bugfix depth scale implicit renderer
test implicit renderer when points are bivectors. added nicer grid and grid labels to 2D SVG. Bugfix depth scale implicit renderer

enkimute/ganja.js,enkimute/ganja.js,enkimute/ganja.js,enkimute/ganja.js,enkimute/ganja.js