Core/Misc: Fix some -Wconversion warnings
Core/Misc: Fix Mac OS X no-pch build
Core/Dependencies: Fix some -Wconversion warnings in G3D
Core/Conditions: allow CONDITION_OBJECT_ENTRY to check for object guid

Ref #12910
更新
Merge branch 'master' of https://github.com/TrinityCore/TrinityCore into ghbb

Conflicts:
	src/server/game/Entities/Player/Player.cpp