Andreas:
* Fix format string parsing with localized colour names. [#647324]
Jean:
* Fixed closed bezier spline evaluation. [#646700]
* Implement dropbar plots with linear or logarithmic index axis. [#646832]
* Fix legends for plots with marker only style. [#647367]
* Don't use badly rounded values when clipping markers. [#649485]
* Implement probability plots with data as y values. [#650515]
Morten:
* Plug leaks.
* Detect more cases of linear-regression gone bad.
