Event proposed API

[zkao]

new_name <- current_name reply_ctl <- complete_ctl: reply new msg to source and consume event reply_ctl_continue <- send_ctl: reply new msg to source, only borrow event forward_ctl: forward current msg to new service and consume event forward_ctl_continue: forward a copy of current message to new service, only borrow event send_ctl <- complete_ctl_service: send to a new service a new message, consume the event send_ctl_continue <- send_ctl_service: send to a new service a new message, only borrow event

and the same for _p2p