render/plain.go
func Plain(names ...string) Renderer {
	e := New(Options{})
	return e.Plain(names...)
}
func Plain(names ...string) Renderer {
	e := New(Options{})
	return e.Plain(names...)
}
// Plain renders the named files using the 'text/html'
// content type and the github.com/gobuffalo/plush
// package for templating. If more than 1 file is provided
// the second file will be considered a "layout" file
// and the first file will be the "content" file which will
// be placed into the "layout" using "<%= yield %>".