Update grid system. Try to fix some crashes and transport passengers (now they are despawned after a while).

src/server/game/Entities/GameObject/GameObject.cpp

@@ -30,7 +30,7 @@
 #include "CreatureAISelector.h"
 #include "Group.h"
 
-GameObject::GameObject() : WorldObject(), m_goValue(new GameObjectValue), m_AI(NULL)
+GameObject::GameObject() : WorldObject(false), m_goValue(new GameObjectValue), m_AI(NULL)
 {
     m_objectType |= TYPEMASK_GAMEOBJECT;
     m_objectTypeId = TYPEID_GAMEOBJECT;