bump to protocol 6
bump to protocol 6

jfranklin9000/urbit,jfranklin9000/urbit,jfranklin9000/urbit,ngzax/urbit,ngzax/urbit,eglaysher/arvo,cgyarvin/arvo,ngzax/urbit,ngzax/urbit,ohAitch/arvo,joemfb/arvo,Fang-/arvo,urbit/urbit,cgyarvin/arvo,ngzax/urbit,jfranklin9000/urbit,urbit/urbit,jfranklin9000/urbit,urbit/urbit,urbit/urbit,jfranklin9000/urbit,urbit/urbit,belisarius222/arvo,ohAitch/arvo,joemfb/arvo,jfranklin9000/urbit,urbit/urbit,ngzax/urbit,belisarius222/arvo,solri/arvo,urbit/urbit,ngzax/urbit