Merge branch 'master' of github.com:TrinityCore/TrinityCore into 4.3.4

Conflicts:
	src/server/game/Battlegrounds/BattlegroundMgr.cpp
	src/server/game/Entities/Player/Player.cpp
	src/server/game/Handlers/QuestHandler.cpp
	src/server/game/Spells/SpellInfo.h
	src/server/game/World/World.cpp

src/server/game/Maps/MapManager.cpp

@@ -43,6 +43,9 @@ MapManager::MapManager()
 {
     i_gridCleanUpDelay = sWorld->getIntConfig(CONFIG_INTERVAL_GRIDCLEAN);
     i_timer.SetInterval(sWorld->getIntConfig(CONFIG_INTERVAL_MAPUPDATE));
+    memset(i_GridStates, 0, sizeof(i_GridStates));
+    i_GridStateErrorCount = 0;
+    _nextInstanceId = 0;
 }
 
 MapManager::~MapManager() { }