Scipio's tiny radius was mentioned in D541 but not addressed. Gaul's Vercingetorix has essentially the same effect (+20% attack for all soldiers and siege but +1 capture instead of +2) but with a 60m radius. This patch changes Scipio's aura radius to 30m, which is more reasonable.
(Now that we actually see the aura ranges in the game, I think 60m might be too large for many of them, but that can be discussed another time.)