ditsing/ruaft @ c6d3ce06f392371df4f8a20b6dbae84b6fd29793

Jing Yang 5fa583a055 Replace persister with storage.		%!s(int64=2) %!d(string=hai) anos
..
config.rs	5fa583a055 Replace persister with storage.	%!s(int64=2) %!d(string=hai) anos
mod.rs	21a5b8153f Remove labrpc as a dependency of the ruaft main crate.	%!s(int64=4) %!d(string=hai) anos