Gamesetup OOP refactoring, refs #5322.
Move rightAlignCancelButton from rP18701 to g_MiscControls from D322 / rP19504.
Move civResetButton from rP18239 and teamResetButton from rP18459 to g_MiscControls, refs #3805.
The constant string and constant function value assignment can be reverted if performance is valued over code structuring.