Sync documentation of English with Chinese version.

func (this *MainController) Get() {
this.GoToFunc("Test")
}

func (this *MainController) Test() {
this.Ctx.WriteString("testtest")
}

fix logrotate

sync quickstart.

In go version 1.0.3 will call build error

Change: SetRotateMaxDay => SetRotateMaxDays

add a function to delete default StaticPath

I think if user should set field in controller, there's no need to have
thie feature