GeoConic3D is Region

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32139 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Change clipping cube when y axis is up

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32140 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e