Updates to all Entities to use getBukkitEntity() any time an event is

raised.
Similar update to CraftVehicle and CraftLivingEntity

src/main/java/org/bukkit/craftbukkit/entity/CraftLivingEntity.java

@@ -89,7 +89,7 @@ public class CraftLivingEntity extends CraftEntity implements LivingEntity {
             return null;
         }
         
-        org.bukkit.entity.Entity vehicle = ((CraftWorld)getWorld()).toCraftEntity(entity.k);
+        org.bukkit.entity.Entity vehicle = (entity.k.getBukkitEntity());
         if (vehicle instanceof Vehicle) {
             return (Vehicle)vehicle;
         }