Ticket #3705: experimental change for Trunk only yet; this is compatible with _layout2middleH.ggb and still keeps views on screen, at least the first time. For some reason, it doesn't work the second time, but that may belong to another commit.

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31016 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3026 : spherical coords printed and saved to xml

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31017 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e