Update 0.144a. Bugfixes for 0.143a and artillery accuracy adjustments.

The positive effect of the best fire control systems on projectile spread has been slightly reduced.
The algorithm for generating random commanders has been changed to make their professional characteristics more equal.
The calculation of the effect of ship pitching on artillery accuracy has been changed from per turn estimating of the ship model pitching in the 3D world to a constant value based on wind strength (Beaufort scale) and the type of the ship.
Starting distance selection slider has been added to Custom Battle screen.
Several bugs have been fixed.