imt → foundation Relation

File in core/imt	Includes file in core/foundation
inc / ROOT / TExecutor.hxx	inc / ROOT / RConfig.hxx
inc / ROOT / TThreadExecutor.hxx	inc / ROOT / TypeTraits.hxx
inc / ROOT / TThreadExecutor.hxx	inc / TError.h
src / RTaskArena.cxx	inc / TError.h
src / TImplicitMT.cxx	inc / TError.h