New quadtree structure for surfaces

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33768 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
prevent unneeded cell range updates (#4283)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33773 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e