Update httprouter version and edit readme about the named parameters

Godeps/Godeps.json

@@ -4,7 +4,7 @@
 	"Deps": [
 		{
 			"ImportPath": "github.com/julienschmidt/httprouter",
-			"Rev": "90d58bada7e6154006f2728ee09053271154a8f6"
+			"Rev": "00ce1c6a267162792c367acc43b1681a884e1872"
 		}
 	]
 }

README.md

@@ -133,7 +133,8 @@ func main() {
 		c.String(200, message)
 	})
 
-	// However, this one will match /user/john and also /user/john/send
+	// However, this one will match /user/john/ and also /user/john/send
+	// If no other routers match /user/john, it will redirect to /user/join/
 	r.GET("/user/:name/*action", func(c *gin.Context) {
 		name := c.Params.ByName("name")
 		action := c.Params.ByName("action")