2015-01-28  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* openoffice-read.c (odf_apply_style_props): handle marker outline colour
	(od_style_prop_chart): read marker outline colour
	* openoffice-write.c (odf_write_gog_style_graphic): write marker outline
	colour as extension.

2015-01-28  Andreas J. Guelzow <aguelzow@pyrshep.ca>

	* t6516-graph.pl: also test roundtrip of marker outline colour
	through ODF