Provide a 'property' to directly know if a ClassInfo object describe a class declared in side the std namespace [ gInterpreter->ClassInfo_Property(classPtr->GetClassInfo()) & kIsDefinedInStd) ]


git-svn-id: https://root.cern.ch/svn/root/trunk@48464 27541ba8-7e3a-0410-8455-c3a389f83636
When we have a ClassInfo asked directly if it comes from std


git-svn-id: https://root.cern.ch/svn/root/trunk@48465 27541ba8-7e3a-0410-8455-c3a389f83636