MaNGOS merge: Mail System.

* Store loot in mail_loot_template indexed by mail template ids.
* Implement proper creating mail text copy item from mail template based mail.
* Move send functions to new MailDraft class from WorldSession.
* Implement mails sending at player levelup.
* Autor VladimirMangos, converted by me.

--HG--
branch : trunk

src/game/LootMgr.h

@@ -288,7 +288,7 @@ struct Loot
     void RemoveLooter(uint64 GUID) { PlayersLooting.erase(GUID); }
 
     void generateMoneyLoot(uint32 minAmount, uint32 maxAmount);
-    void FillLoot(uint32 loot_id, LootStore const& store, Player* loot_owner, bool personal, uint16 lootMode = DEFAULT_LOOT_MODE);
+    bool FillLoot(uint32 loot_id, LootStore const& store, Player* loot_owner, bool personal, bool noEmptyError = false, uint16 lootMode = DEFAULT_LOOT_MODE);
 
     // Inserts the item into the loot (called by LootTemplate processors)
     void AddItem(LootStoreItem const & item);
@@ -325,24 +325,24 @@ extern LootStore LootTemplates_Creature;
 extern LootStore LootTemplates_Fishing;
 extern LootStore LootTemplates_Gameobject;
 extern LootStore LootTemplates_Item;
+extern LootStore LootTemplates_Mail;
 extern LootStore LootTemplates_Milling;
 extern LootStore LootTemplates_Pickpocketing;
 extern LootStore LootTemplates_Skinning;
 extern LootStore LootTemplates_Disenchant;
 extern LootStore LootTemplates_Prospecting;
-extern LootStore LootTemplates_QuestMail;
 extern LootStore LootTemplates_Spell;
 
 void LoadLootTemplates_Creature();
 void LoadLootTemplates_Fishing();
 void LoadLootTemplates_Gameobject();
 void LoadLootTemplates_Item();
+void LoadLootTemplates_Mail();
 void LoadLootTemplates_Milling();
 void LoadLootTemplates_Pickpocketing();
 void LoadLootTemplates_Skinning();
 void LoadLootTemplates_Disenchant();
 void LoadLootTemplates_Prospecting();
-void LoadLootTemplates_QuestMail();
 
 void LoadLootTemplates_Spell();
 void LoadLootTemplates_Reference();
@@ -353,12 +353,12 @@ inline void LoadLootTables()
     LoadLootTemplates_Fishing();
     LoadLootTemplates_Gameobject();
     LoadLootTemplates_Item();
+    LoadLootTemplates_Mail();
     LoadLootTemplates_Milling();
     LoadLootTemplates_Pickpocketing();
     LoadLootTemplates_Skinning();
     LoadLootTemplates_Disenchant();
     LoadLootTemplates_Prospecting();
-    LoadLootTemplates_QuestMail();
     LoadLootTemplates_Spell();
 
     LoadLootTemplates_Reference();