Merge pull request #2 from derivita/maxage

Fix maxage error

auth/token_verifier.go

@@ -490,5 +490,7 @@ func findMaxAge(resp *http.Response) (*time.Duration, error) {
 			return &duration, nil
 		}
 	}
-	return nil, errors.New("Could not find expiry time from HTTP headers")
+	// fix "cache-control: private" issue
+	oneHour := 1 * time.Hour
+	return &oneHour, nil
 }