Added the Phanta_RP module; it now manages the RP permissions correctly, so on to hiding the fugly group form.
trying to fix comment_og - apparently it is not compatible with OG 7.x-2.x
posting with a character adds them to the RP. Still to-do: devise a way to keep RP lists manageable; submitting a request for a character adds them to the RP when the request is approved. Allow GMs to arbitrarily add characters to their RPs.