Ends 3D settings

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34630 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
xOy plane for 2D/3D algo

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34631 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
xOy plane for 2D/3D algo

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34632 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e