Fix (c)mangos IsCasting and removefromworld

GameObjectMethods.h

@@ -247,7 +247,11 @@ namespace LuaGameObject
         bool deldb = Eluna::CHECKVAL<bool>(L, 2, false);
 
         // cs_gobject.cpp copy paste
+#ifdef TRINITY
         ObjectGuid ownerGuid = go->GetOwnerGUID();
+#else
+        ObjectGuid ownerGuid = go->GetOwnerGuid();
+#endif
         if (ownerGuid)
         {
             Unit* owner = ObjectAccessor::GetUnit(*go, ownerGuid);

UnitMethods.h

@@ -547,10 +547,10 @@ namespace LuaUnit
      */
     int IsCasting(Eluna* /*E*/, lua_State* L, Unit* unit)
     {
-#ifndef TRINITY
-        Eluna::Push(L, unit->hasUnitState(UNIT_STATE_CASTING));
-#else
+#ifdef TRINITY
         Eluna::Push(L, unit->HasUnitState(UNIT_STATE_CASTING));
+#else
+        Eluna::Push(L, unit->IsNonMeleeSpellCasted(false));
 #endif
         return 1;
     }