[docs]: update release instructions ~ add note about removing DEVELOPING and it's manifest entry ~ provide links to some related documents
[docs]: update release instructions
~ add note about removing DEVELOPING and it's manifest entry
~ provide links to some related documents

git-svn-id: 6e74a02f85675cec270f5d931b0f6998666294a3@17460 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

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