Send thumbnails to google drive

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33632 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#4213 xml is generated from settings only, statically

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33633 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e