#4103: Moved data-param-app to article rather than body.

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31928 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
* Start with re-creatable nets
* correct remove of segments in GeoPolygon3D
* correct set undefined for last polygons/segments in GeoPolyhedron

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31929 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e