[8315] Fixed memory leaks (mostly at server shutdown) and code cleanups. Author: VladimirMangos

* Fixed leak in BattleGround::m_PlayerScores at BattleGround::Reset,
      add and use BattleGroundScoreMap typedef
    * Delete AreaTeam objects stored in global map at shutdown
    * Delete Corpse objects stored in global map at shutdown
    * Store guild bank log entries as objectes instead pointers in log event lists

--HG--
branch : trunk

src/game/BattleGroundEY.cpp

@@ -788,8 +788,7 @@ void BattleGroundEY::EventPlayerCapturedFlag(Player *Source, uint32 BgObjectType
 
 void BattleGroundEY::UpdatePlayerScore(Player *Source, uint32 type, uint32 value)
 {
-    std::map<uint64, BattleGroundScore*>::iterator itr = m_PlayerScores.find(Source->GetGUID());
-
+    BattleGroundScoreMap::iterator itr = m_PlayerScores.find(Source->GetGUID());
     if(itr == m_PlayerScores.end())                         // player not found
         return;