Moving to gRPC by default (#1069)

* Step 1

* Fix the test panics

service/grpc/options.go

@@ -3,14 +3,14 @@ package grpc
 import (
 	"crypto/tls"
 
-	"github.com/micro/go-micro"
 	gc "github.com/micro/go-micro/client/grpc"
 	gs "github.com/micro/go-micro/server/grpc"
+	"github.com/micro/go-micro/service"
 )
 
 // WithTLS sets the TLS config for the service
-func WithTLS(t *tls.Config) micro.Option {
-	return func(o *micro.Options) {
+func WithTLS(t *tls.Config) service.Option {
+	return func(o *service.Options) {
 		o.Client.Init(
 			gc.AuthTLS(t),
 		)