Core/Misc: Fixing warnings detected by Visual Studio 2015 compiler

(cherry picked from commit a22e4e121a1e54b2f4154d59623ee4a94a449176)

Conflicts:
	cmake/compiler/msvc/settings.cmake
	src/server/game/DataStores/DBCStores.cpp
	src/server/game/Entities/GameObject/GameObject.cpp
	src/server/game/Entities/Object/Object.cpp
	src/server/game/Entities/Object/Object.h
	src/server/game/Entities/Pet/Pet.cpp
	src/server/game/Entities/Player/Player.cpp
	src/server/game/Entities/Unit/Unit.cpp
	src/server/game/Garrison/Garrison.cpp
	src/server/game/Garrison/GarrisonMgr.cpp
	src/server/game/Globals/ObjectMgr.cpp
	src/server/game/Globals/ObjectMgr.h
	src/server/game/Guilds/GuildMgr.cpp
	src/server/game/Handlers/CharacterHandler.cpp
	src/server/game/Handlers/QueryHandler.cpp
	src/server/game/Handlers/QuestHandler.cpp
	src/server/game/Handlers/SpellHandler.cpp
	src/server/game/Server/Packets/ChannelPackets.h
	src/server/game/Server/Packets/PartyPackets.cpp
	src/server/game/Server/WorldSession.h
	src/server/game/Spells/Spell.cpp
	src/server/game/Spells/SpellInfo.cpp
	src/server/game/Spells/SpellScript.cpp
	src/server/scripts/Commands/cs_list.cpp

src/server/game/Entities/GameObject/GameObject.cpp

@@ -2253,12 +2253,12 @@ void GameObject::BuildValuesUpdate(uint8 updateType, ByteBuffer* data, Player* t
             }
             else if (index == GAMEOBJECT_FLAGS)
             {
-                uint32 flags = m_uint32Values[GAMEOBJECT_FLAGS];
+                uint32 goFlags = m_uint32Values[GAMEOBJECT_FLAGS];
                 if (GetGoType() == GAMEOBJECT_TYPE_CHEST)
                     if (GetGOInfo()->chest.groupLootRules && !IsLootAllowedFor(target))
-                        flags |= GO_FLAG_LOCKED | GO_FLAG_NOT_SELECTABLE;
+                        goFlags |= GO_FLAG_LOCKED | GO_FLAG_NOT_SELECTABLE;
 
-                fieldBuffer << flags;
+                fieldBuffer << goFlags;
             }
             else
                 fieldBuffer << m_uint32Values[index];                // other cases