Update links to Google Group and main website.
Update links to Google Group and main website.

protomech/epgp-dkp-reloaded,sheldon/epgp,hayword/tfatf_epgp,ceason/epgp-tfatf,hayword/tfatf_epgp,sheldon/epgp,protomech/epgp-dkp-reloaded,ceason/epgp-tfatf