ToolHandles → GaudiKernel Relation

File in GaudiTestSuite/src/ToolHandles	Includes file in GaudiKernel
Algorithms.cpp	include / GaudiKernel / MsgStream.h
FloatTool.h	include / GaudiKernel / AlgTool.h
FloatTool.h	include / GaudiKernel / DataObjectHandle.h