ditsing/ruaft @ a8a54701cba387c9772313723ed95dc2cc77072a

Jing Yang a8a54701cb Add kvraft server.		%!s(int64=5) %!d(string=hai) anos
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client.rs	fbe4e23434 Add a wrapper to clerk to init once.	%!s(int64=4) %!d(string=hai) anos
common.rs	a8a54701cb Add kvraft server.	%!s(int64=4) %!d(string=hai) anos
mod.rs	a10c1015a9 Add RPC args and replies.	%!s(int64=4) %!d(string=hai) anos
server.rs	a8a54701cb Add kvraft server.	%!s(int64=4) %!d(string=hai) anos