Added setting to swap stats and modifiers

Although Schemas.Character was changed, a database migration should
not be required due to the way characterSettings handles it (since
undefined is a falsy value).

rpg-docs/client/views/character/stats/abilityCards/abilityCards.js

@@ -5,5 +5,10 @@ Template.abilityMiniCard.helpers({
 				Template.parentData()._id, this.ability
 			)
 		);
-	}
+	},
+	swap: function() {
+		var character = Characters.findOne({"_id": Template.parentData()._id})
+		if (character) {return character.settings.swapStatAndModifier;}
+		else {return false;}
+	},
 });