[docs] add note about out-of-date-ness+ RT# to ROADMAP.pod
[docs] add note about out-of-date-ness+ RT# to ROADMAP.pod

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@23960 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot