[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/BattleGroundBE.cpp

@@ -182,8 +182,7 @@ bool BattleGroundBE::SetupBattleGround()
 void BattleGroundBE::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;