providers/http: Include status text in func map

providers/http/http.go

@@ -15,6 +15,7 @@ type Provider struct {
 // FuncMap fulfills the step.FuncProvider interface.
 func (this *Provider) FuncMap () template.FuncMap {
 	return template.FuncMap {
+		"statusText": http.StatusText,
 		"parseQuery": funcParseQuery,
 		"parseForm":  funcParseForm,
 	}