MultipleLogStreams → GaudiKernel Relation

File in GaudiTestSuite/src/MultipleLogStreams	Includes file in GaudiKernel
QotdAlg.cpp	include / GaudiKernel / MsgStream.h
QotdAlg.h	include / GaudiKernel / Algorithm.h
QotdAlg.h	include / GaudiKernel / MsgStream.h