8129417: Oop iteration clean-up to remove oop_ms_follow_contents
Reviewed-by: pliden, ehelin

8080746: Refactor oop iteration macros to be more general
Reviewed-by: stefank, pliden

8077302: src/share/vm/oops/instanceRefKlass.inline.hpp has a doubble /*
Reviewed-by: stefank, mgerdin

8075955: Replace the macro based implementation of oop_oop_iterate with a template based solution
Reviewed-by: brutisso, coleenp, kbarrett, sjohanss