added attach over ipc command

rpc/comms/http.go

@@ -64,7 +64,6 @@ func StopHttp() {
 	}
 }
 
-
 type httpClient struct {
 	codec codec.ApiCoder
 }
@@ -86,4 +85,4 @@ func (self *httpClient) Send(req interface{}) error {
 
 func (self *httpClient) Recv() (interface{}, error) {
 	return nil, nil
-}
+}