[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/Unit.cpp

@@ -9411,7 +9411,7 @@ int32 Unit::SpellBaseDamageBonus(SpellSchoolMask schoolMask)
     if (GetTypeId() == TYPEID_PLAYER)
     {
         // Base value
-        DoneAdvertisedBenefit +=((Player*)this)->GetBaseSpellDamageBonus();
+        DoneAdvertisedBenefit +=((Player*)this)->GetBaseSpellPowerBonus();
 
         // Damage bonus from stats
         AuraEffectList const& mDamageDoneOfStatPercent = GetAurasByType(SPELL_AURA_MOD_SPELL_DAMAGE_OF_STAT_PERCENT);
@@ -9964,7 +9964,7 @@ int32 Unit::SpellBaseHealingBonus(SpellSchoolMask schoolMask)
     if (GetTypeId() == TYPEID_PLAYER)
     {
         // Base value
-        AdvertisedBenefit +=((Player*)this)->GetBaseSpellHealingBonus();
+        AdvertisedBenefit +=((Player*)this)->GetBaseSpellPowerBonus();
 
         // Healing bonus from stats
         AuraEffectList const& mHealingDoneOfStatPercent = GetAurasByType(SPELL_AURA_MOD_SPELL_HEALING_OF_STAT_PERCENT);