[8449] Deprecate healing/damage item mods and merge internal data in to spell power. Author: VladimirMangos

* Report at loading about deprecated ITEM_MOD_SPELL_HEALING_DONE and ITEM_MOD_SPELL_DAMAGE_DONE
      and drop support code.
    * Merge healing/damage base spell bonus fields and function to spell power field/function.

--HG--
branch : trunk

src/game/ObjectMgr.cpp

@@ -2118,6 +2118,16 @@ void ObjectMgr::LoadItemPrototypes()
                 sLog.outErrorDb("Item (Entry: %u) has wrong stat_type%d (%u)",i,j+1,proto->ItemStat[j].ItemStatType);
                 const_cast<ItemPrototype*>(proto)->ItemStat[j].ItemStatType = 0;
             }
+
+            switch(proto->ItemStat[j].ItemStatType)
+            {
+                case ITEM_MOD_SPELL_HEALING_DONE:
+                case ITEM_MOD_SPELL_DAMAGE_DONE:
+                    sLog.outErrorDb("Item (Entry: %u) has deprecated stat_type%d (%u)",i,j+1,proto->ItemStat[j].ItemStatType);
+                    break;
+                default:
+                    break;
+            }
         }
 
         for (int j = 0; j < MAX_ITEM_PROTO_DAMAGES; ++j)