Streamlining loading functions for server startup

- Added a couple of timer outputs
- Improved code consistency between loading functions
- Progess bars should look and behave similar on all OS now (sLog.outString() is not needed anymore to replace the progress bar in log files)

--HG--
branch : trunk

src/server/game/Globals/ObjectMgr.h

@@ -1282,7 +1282,7 @@ class ObjectMgr
     private:
         void LoadScripts(ScriptsType type);
         void CheckScripts(ScriptsType type, std::set<int32>& ids);
-        void LoadCreatureAddons(SQLStorage& creatureaddons, char const* entryName, char const* comment);
+        uint32 LoadCreatureAddons(SQLStorage& creatureaddons, char const* entryName);
         void ConvertCreatureAddonAuras(CreatureDataAddon* addon, char const* table, char const* guidEntryStr);
         void LoadQuestRelationsHelper(QuestRelations& map, std::string table, bool starter, bool go);
         void PlayerCreateInfoAddItemHelper(uint32 race_, uint32 class_, uint32 itemId, int32 count);