goffice 0.7.18: Andreas: * Fix description of ring plots. [#606162] Jean: * Add a name to regression curves for display in legends. [#605040] * Fixed GocPolygon bounds. [#605496] * Moved plot area position page from plot to chart. [#605771] * Add sample to the plot type selector. [#495781] * Don't use multiline GtkLabel. [#606162] --------------------------------------------------------------------------