[8320] Imporovements in wild summoned gameobjects work. Author: VladimirMangos

* Not set owner for will summoned gameobjects.
      Its not expected to have owner, and must be accessable to all players (or team).
    * Set for all objects summoned by spells: despawned by deafult for proper despawn withut owner.
    * Cleanup Spell::EffectSummonObjectWild.

--HG--
branch : trunk

src/game/GameObject.cpp

@@ -921,6 +921,7 @@ void GameObject::SetGoArtKit(uint8 kit)
         data->ArtKit = kit;
 }
 
+/*
 void GameObject::SetOwnerGUID(uint64 owner)
 {
     // Owner already found and different than expected owner - remove object from old owner
@@ -931,6 +932,7 @@ void GameObject::SetOwnerGUID(uint64 owner)
     m_spawnedByDefault = false;                     // all object with owner is despawned after delay
     SetUInt64Value(OBJECT_FIELD_CREATED_BY, owner);
 }
+*/
 
 void GameObject::SwitchDoorOrButton(bool activate, bool alternative /* = false */)
 {