Custom Leader Colors 1.2.3

Adds Genghis Khan.

Removes ampersands from .modinfo description to hopefully resolve issue with CivMods. No changes to mod itself.

Adds Simón Bolívar.

Adds Ada Lovelace. Lightens Amina. Darkens Xerxes, The Achaemenid. Updates Color3D (the colors used for buildings/units) to a swapped primary/secondary for leaders with a light primary.