Add turret-linking support to HitShape

Allows to link a HitShape to the
position and facing of a turret.

OpenRA.Mods.Common/Projectiles/Bullet.cs

@@ -295,7 +295,7 @@ namespace OpenRA.Mods.Common.Projectiles
 
 				// If the impact position is within any actor's HitShape, we have a direct hit
 				var activeShapes = victim.TraitsImplementing<HitShape>().Where(Exts.IsTraitEnabled);
-				if (activeShapes.Any(i => i.Info.Type.DistanceFromEdge(pos, victim).Length <= 0))
+				if (activeShapes.Any(i => i.DistanceFromEdge(victim, pos).Length <= 0))
 					return true;
 			}