Update vendor

vendor/github.com/labstack/echo/cookbook/websocket/net/server.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/labstack/echo"
+	"github.com/labstack/echo/middleware"
+	"golang.org/x/net/websocket"
+)
+
+func hello(c echo.Context) error {
+	websocket.Handler(func(ws *websocket.Conn) {
+		defer ws.Close()
+		for {
+			// Write
+			err := websocket.Message.Send(ws, "Hello, Client!")
+			if err != nil {
+				log.Fatal(err)
+			}
+
+			// Read
+			msg := ""
+			err = websocket.Message.Receive(ws, &msg)
+			if err != nil {
+				log.Fatal(err)
+			}
+			fmt.Printf("%s\n", msg)
+		}
+	}).ServeHTTP(c.Response(), c.Request())
+	return nil
+}
+
+func main() {
+	e := echo.New()
+	e.Use(middleware.Logger())
+	e.Use(middleware.Recover())
+	e.Static("/", "../public")
+	e.GET("/ws", hello)
+	e.Logger.Fatal(e.Start(":1323"))
+}