examples: replace all app.Run(iris.Addr(...)) with app.Listen just for the shake of simplicity, both are doing the same exact thing as it's described on the http listening first example.

Former-commit-id: d20afb2e899aee658a8e0ed1693357798df93462

_examples/mvc/basic/main.go

@@ -16,7 +16,7 @@ func main() {
 	app.Logger().SetLevel("debug")
 	mvc.Configure(app.Party("/basic"), basicMVC)
 
-	app.Run(iris.Addr(":8080"))
+	app.Listen(":8080")
 }
 
 func basicMVC(app *mvc.Application) {

_examples/mvc/error-handler/main.go

@@ -23,7 +23,7 @@ func main() {
 	mvcApp.Handle(new(myController))
 
 	// http://localhost:8080
-	app.Run(iris.Addr(":8080"))
+	app.Listen(":8080")
 }
 
 type myController struct {

_examples/mvc/hello-world/main.go

@@ -50,7 +50,7 @@ func main() {
 	// http://localhost:8080/ping
 	// http://localhost:8080/hello
 	// http://localhost:8080/custom_path
-	app.Run(iris.Addr(":8080"))
+	app.Listen(":8080")
 }
 
 // ExampleController serves the "/", "/ping" and "/hello".

_examples/mvc/middleware/main.go

@@ -20,7 +20,7 @@ func main() {
 	// http://localhost:8080/other
 	//
 	// refresh every 10 seconds and you'll see different time output.
-	app.Run(iris.Addr(":8080"))
+	app.Listen(":8080")
 }
 
 func configure(m *mvc.Application) {

_examples/mvc/middleware/per-method/main.go

@@ -84,7 +84,7 @@ func main() {
 	m := mvc.New(app)
 	m.Handle(&exampleController{})
 
-	app.Run(iris.Addr(":8080"))
+	app.Listen(":8080")
 }
 
 type exampleController struct{}

_examples/mvc/middleware/without-ctx-next/main.go

@@ -51,7 +51,7 @@ func main() {
 
 	m.Handle(&exampleController{})
 
-	app.Run(iris.Addr(":8080"))
+	app.Listen(":8080")
 }
 
 func doneHandler(ctx iris.Context) {

_examples/mvc/regexp/main.go

@@ -24,7 +24,7 @@ func main() {
 
 	// http://localhost:8080/module/xxx.json (OK)
 	// http://localhost:8080/module/xxx.xml  (Not Found)
-	app.Run(iris.Addr(":8080"))
+	app.Listen(":8080")
 }
 
 type myController struct{}

_examples/mvc/session-controller/main.go

@@ -65,5 +65,5 @@ func main() {
 	// 3. refresh the page some times
 	// 4. close the browser
 	// 5. re-open the browser (if it wasn't in private mode) and re-play 2.
-	app.Run(iris.Addr(":8080"))
+	app.Listen(":8080")
 }

_examples/mvc/singleton/main.go

@@ -13,7 +13,7 @@ func main() {
 	mvc.New(app.Party("/")).Handle(&globalVisitorsController{visits: 0})
 
 	// http://localhost:8080
-	app.Run(iris.Addr(":8080"))
+	app.Listen(":8080")
 }
 
 type globalVisitorsController struct {

_examples/mvc/websocket/main.go

@@ -31,7 +31,7 @@ func main() {
 
 	websocketAPI.Get("/", websocket.Handler(websocketServer))
 	// http://localhost:8080
-	app.Run(iris.Addr(":8080"))
+	app.Listen(":8080")
 }
 
 var visits uint64