rpc, evm: refactor (#588)

* stargate: refactor

* remove evm CLI

* rpc: refactor

* more fixes

* fixes fixes fixes

* changelog

* refactor according to namespaces

* fix

* lint

* remove export logic

* fix rpc test

* godoc

cmd/ethermintcli/main.go

@@ -67,7 +67,7 @@ func main() {
 		queryCmd(cdc),
 		txCmd(cdc),
 		client.ValidateChainID(
-			rpc.EmintServeCmd(cdc),
+			rpc.ServeCmd(cdc),
 		),
 		flags.LineBreak,
 		client.KeyCommands(),