Reverted Gliese 876.
The new paper finds two signals that could be
planets, but they stress that followup observations are needed. Also
note that the naming of planets in the new paper is inconsitent with the
old names. For now we should keep the old names. One can re-add the
additional planets, but only using the "Controversial" list and making
sure that the names do not interfer with the confirmed planets.