goffice 0.10.50: Jean: * Fix data update in matrix plots, see Debian #988397. * Fix rendering on high resolution monitors when scale is not 1. [#578] Morten: * Simplify regression equation code. * Use only 3 decimals for R^2 for regression lines. * Eliminate empty Special category from format selector. [#29] * Improve regression line equation for date axes. [#41] --------------------------------------------------------------------------