resolve divdi3 on ppc

link stdc++ (for physfs on linux) only when targetting 32bit (grafted from db108c85131501e1ac4ded2758f742836f83f4b5)

Hiding overflow on Labels/ComboBoxes to prevent 1px off by one error

update 0.9.19 with dev branch

merge

turkish translation updates

- Revert division hack nonsense - Patch Distance instead to not produce zero on non-zero parameters passed

Store colors in human-readable form

lol, how did it manage to work for years? (z1 - z2 * z.Round) shouldn't respect signs of z1 and z2. It turns out we often had arbitrary .Frac value in division result. Also fixes issue #613.

Switch to 'settings.ini'. Copies old ini file if necessary on startup.