ditsing/ruaft @ 93f6b20b3f765d9f05ed4990e336a3b8c7f9c3a4

Jing Yang 23c826e6f9 Move raft code into its own directory.		2 gadi atpakaļ
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config.rs	23c826e6f9 Move raft code into its own directory.	2 gadi atpakaļ
mod.rs	21a5b8153f Remove labrpc as a dependency of the ruaft main crate.	4 gadi atpakaļ