Ticket #4660: in theory, simple cones and cylinders (which are available on the toolbar) are supported now at least, but there are issues with visualization (I don't think it's my task) more GeoQuadricND later

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@38098 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #4660: GeoPolyhedronNet can by copied in general (GeoQuadricND still not)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@38099 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e