Core/Players: Dueling players in your party / raid should not make them always detectable.

Fixes seeing stealthed rogues & druids, as well as invisible mages in duels.
DB/Items: Change item_template.Flags to uint32 (int(10) unsigned)
SQL: Prevent a warning in 2013_07_14_01_world_item_template.sql
Merge remote-tracking branch 'origin/master' into 4.3.4

Conflicts:
	src/server/game/Globals/ObjectMgr.cpp
Core: Fix build
Scripted/Misc: Fix random stuff
Core: Fix build
Scripted: Add some missing override
Core/Config: Refactored ConfigMgr

* Loading initial configuration files is now separate from loading any additional custom configs
Core: Fix build
Merge branch 'master' of github.com:TrinityCore/TrinityCore into 4.3.4

Conflicts:
	src/server/game/World/World.cpp
	src/server/scripts/EasternKingdoms/ZulAman/boss_akilzon.cpp
	src/server/scripts/EasternKingdoms/ZulAman/zulaman.cpp
Merge branch '4.3.4' of https://github.com/TrinityCore/TrinityCore into 4.3.4