goffice 0.10.22: Jean: * Fix selection of axes using only part fo the plot area. [#746456] * Protect colored xy and bubble plots against NULL z values. * Update circular axis bounds after a unit change. [#746738] * Auto fill color made transparent for opened markers. [#691025] * Make manual scale really manual. [#700599] Johannes Deutsch: * Do not draw the line over the arrow head at start. [#745736] Morten: * Improve log axis bounds. [#745960] * Fix format used for stacked percentage graphs. * Don't force bar/col axis to include 0 for log axis. * Don't force radial plots to include 0 for log axis. * Rewrite pattern-fill rendering. [#747212] * Add go_cotpi and go_atan2pi. * Fix persistence of ring plot center size. --------------------------------------------------------------------------