2006-01-05  Jean Brefort  <jean.brefort@normalesup.org>

	* goffice/graph/goffice-graph.h: change GogSeriesLines
definition.
	* goffice/graph/gog-series-lines.c: Change the way markers
are managed.
	* goffice/graph/gog-series-lines.h: ditto.
	* goffice/utils/go-libxml-extras.c:
	(e_xml_get_child_by_name_by_lang): fix an
internaionalization bug.
	* pixmaps/Makefile.am: add new histograms pixmaps.
	* pixmaps/chart_histogram_1_1.png: ditto.
	* pixmaps/chart_histogram_1_1.svg: ditto.
	* pixmaps/hist.xpm: ditto.
	* plugins/plot_barcol/gog-1.5d.c: (lines_post_add): add markers for lines
	in DropBar plots.
	* plugins/plot_boxes/Makefile.am: add histograms.
	* plugins/plot_boxes/gog-boxplot.c: (go_plugin_init): ditto.
	* plugins/plot_boxes/gog-histogram.c: ditto.
	* plugins/plot_boxes/gog-histogram.h: ditto.
	* plugins/plot_boxes/plot-types.xml.in: ditto.
	* plugins/plot_boxes/plugin.xml.in: ditto.