graph-gexf - manipulate graph file in GEXF format

	Commit message (Expand)	Author	Files	Lines
2011-06-03	attributes are chained	franck cuny	1	-4/+39
2011-05-21	add roles for viz and start POD	franck cuny	1	-7/+76
2010-11-05	tidy + load position	franck cuny	1	-3/+4