* rename NodeInfo field of Node from "data" to "info"
(touches a lot of files)
* update client to use gossip to find leader, a la drone
* rework multinode scripts
* move more stuff into rust
* added usage to all
* no more rsync unless you're a validator (TODO: whack that, too)
* fullnode doesn't bail if drone isn't up yet, just keeps trying
* drone doesn't bail if network isn't up yet, just keeps trying