Update README and doc
Add a README mentionning that project is deprecated and rv2 should be used instead (I would not have find it if you did not tell me about it :).
Also pushed some update to the doc I had started while trying to install rv.
Add a README mentionning that project is deprecated and rv2 should be used instead (I would not have find it if you did not tell me about it :).
Also pushed some update to the doc I had started while trying to install rv.