message: Return a valid response from the refresh token service on error.
  This fixes
diff: @@ -74,8 +74,7 @@ function HttpRefreshTokenService($rootScope, $q, $injector, OAuthService, OAuthT
  } else {
  console.warn("Other error getting auth token from refresh token. Not clearing auth tokens", response);
  }
  - // TODO: Localize this error? Does it get displayed?
  - throw new Error("Error getting auth token from refresh token");
  + return $q.reject(response);
  }
  function isTokenValid(token) {
  